644396220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 288

約数和(自身を含む): 2265314688

約数和(自身を除く): 1620918468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 97, 102, 117, 130, 153, 156, 167, 170, 180, 194, 195, 204, 221, 234, 255, 260, 291, 306, 334, 340, 388, 390, 442, 468, 485, 501, 510, 582, 585, 612, 663, 668, 765, 780, 835, 873, 884, 970, 1002, 1020, 1105, 1164, 1170, 1261, 1326, 1455, 1503, 1530, 1649, 1670, 1746, 1940, 1989, 2004, 2171, 2210, 2340, 2505, 2522, 2652, 2839, 2910, 3006, 3060, 3298, 3315, 3340, 3492, 3783, 3978, 4342, 4365, 4420, 4947, 5010, 5044, 5678, 5820, 6012, 6305, 6513, 6596, 6630, 7515, 7566, 7956, 8245, 8517, 8684, 8730, 9894, 9945, 10020, 10855, 11349, 11356, 12610, 13026, 13260, 14195, 14841, 15030, 15132, 16199, 16490, 17034, 17460, 18915, 19539, 19788, 19890, 21437, 21710, 22698, 24735, 25220, 25551, 26052, 28390, 29682, 30060, 32398, 32565, 32980, 34068, 36907, 37830, 39078, 39780, 42585, 42874, 43420, 45396, 48597, 49470, 51102, 56745, 56780, 59364, 64311, 64796, 65130, 73814, 74205, 75660, 78156, 80995, 85170, 85748, 97194, 97695, 98940, 102204, 107185, 110721, 113490, 127755, 128622, 130260, 145791, 147628, 148410, 161990, 170340, 184535, 192933, 194388, 195390, 210587, 214370, 221442, 226980, 242985, 255510, 257244, 275383, 291582, 296820, 321555, 323980, 332163, 369070, 385866, 390780, 421174, 428740, 442884, 485970, 511020, 550766, 553605, 583164, 631761, 643110, 664326, 728955, 738140, 771732, 826149, 842348, 964665, 971940, 1052935, 1101532, 1107210, 1263522, 1286220, 1328652, 1376915, 1457910, 1652298, 1660815, 1895283, 1929330, 2105870, 2214420, 2478447, 2527044, 2753830, 2915820, 3158805, 3304596, 3321630, 3579979, 3790566, 3858660, 4130745, 4211740, 4956894, 5507660, 6317610, 6643260, 7159958, 7581132, 8261490, 9476415, 9913788, 10739937, 12392235, 12635220, 14319916, 16522980, 17899895, 18952830, 21479874, 24784470, 32219811, 35799790, 37905660, 42959748, 49568940, 53699685, 64439622, 71599580, 107399370, 128879244, 161099055, 214798740, 322198110, 644396220]

約数ペア:

[(1, 644396220), (2, 322198110), (3, 214798740), (4, 161099055), (5, 128879244), (6, 107399370), (9, 71599580), (10, 64439622), (12, 53699685), (13, 49568940), (15, 42959748), (17, 37905660), (18, 35799790), (20, 32219811), (26, 24784470), (30, 21479874), (34, 18952830), (36, 17899895), (39, 16522980), (45, 14319916), (51, 12635220), (52, 12392235), (60, 10739937), (65, 9913788), (68, 9476415), (78, 8261490), (85, 7581132), (90, 7159958), (97, 6643260), (102, 6317610), (117, 5507660), (130, 4956894), (153, 4211740), (156, 4130745), (167, 3858660), (170, 3790566), (180, 3579979), (194, 3321630), (195, 3304596), (204, 3158805), (221, 2915820), (234, 2753830), (255, 2527044), (260, 2478447), (291, 2214420), (306, 2105870), (334, 1929330), (340, 1895283), (388, 1660815), (390, 1652298), (442, 1457910), (468, 1376915), (485, 1328652), (501, 1286220), (510, 1263522), (582, 1107210), (585, 1101532), (612, 1052935), (663, 971940), (668, 964665), (765, 842348), (780, 826149), (835, 771732), (873, 738140), (884, 728955), (970, 664326), (1002, 643110), (1020, 631761), (1105, 583164), (1164, 553605), (1170, 550766), (1261, 511020), (1326, 485970), (1455, 442884), (1503, 428740), (1530, 421174), (1649, 390780), (1670, 385866), (1746, 369070), (1940, 332163), (1989, 323980), (2004, 321555), (2171, 296820), (2210, 291582), (2340, 275383), (2505, 257244), (2522, 255510), (2652, 242985), (2839, 226980), (2910, 221442), (3006, 214370), (3060, 210587), (3298, 195390), (3315, 194388), (3340, 192933), (3492, 184535), (3783, 170340), (3978, 161990), (4342, 148410), (4365, 147628), (4420, 145791), (4947, 130260), (5010, 128622), (5044, 127755), (5678, 113490), (5820, 110721), (6012, 107185), (6305, 102204), (6513, 98940), (6596, 97695), (6630, 97194), (7515, 85748), (7566, 85170), (7956, 80995), (8245, 78156), (8517, 75660), (8684, 74205), (8730, 73814), (9894, 65130), (9945, 64796), (10020, 64311), (10855, 59364), (11349, 56780), (11356, 56745), (12610, 51102), (13026, 49470), (13260, 48597), (14195, 45396), (14841, 43420), (15030, 42874), (15132, 42585), (16199, 39780), (16490, 39078), (17034, 37830), (17460, 36907), (18915, 34068), (19539, 32980), (19788, 32565), (19890, 32398), (21437, 30060), (21710, 29682), (22698, 28390), (24735, 26052), (25220, 25551)]