64748580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 218453760

約数和(自身を除く): 153705180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 26, 30, 34, 38, 39, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 114, 130, 156, 170, 190, 195, 204, 221, 228, 247, 255, 257, 260, 285, 323, 340, 380, 390, 442, 494, 510, 514, 570, 646, 663, 741, 771, 780, 884, 969, 988, 1020, 1028, 1105, 1140, 1235, 1285, 1292, 1326, 1482, 1542, 1615, 1938, 2210, 2470, 2570, 2652, 2964, 3084, 3230, 3315, 3341, 3705, 3855, 3876, 4199, 4369, 4420, 4845, 4883, 4940, 5140, 6460, 6630, 6682, 7410, 7710, 8398, 8738, 9690, 9766, 10023, 12597, 13107, 13260, 13364, 14649, 14820, 15420, 16705, 16796, 17476, 19380, 19532, 20046, 20995, 21845, 24415, 25194, 26214, 29298, 33410, 40092, 41990, 43690, 48830, 50115, 50388, 52428, 56797, 58596, 62985, 63479, 65535, 66820, 73245, 83011, 83980, 87380, 97660, 100230, 113594, 125970, 126958, 131070, 146490, 166022, 170391, 190437, 200460, 227188, 249033, 251940, 253916, 262140, 283985, 292980, 317395, 332044, 340782, 380874, 415055, 498066, 567970, 634790, 681564, 761748, 830110, 851955, 952185, 996132, 1079143, 1135940, 1245165, 1269580, 1660220, 1703910, 1904370, 2158286, 2490330, 3237429, 3407820, 3808740, 4316572, 4980660, 5395715, 6474858, 10791430, 12949716, 16187145, 21582860, 32374290, 64748580]

約数ペア:

[(1, 64748580), (2, 32374290), (3, 21582860), (4, 16187145), (5, 12949716), (6, 10791430), (10, 6474858), (12, 5395715), (13, 4980660), (15, 4316572), (17, 3808740), (19, 3407820), (20, 3237429), (26, 2490330), (30, 2158286), (34, 1904370), (38, 1703910), (39, 1660220), (51, 1269580), (52, 1245165), (57, 1135940), (60, 1079143), (65, 996132), (68, 952185), (76, 851955), (78, 830110), (85, 761748), (95, 681564), (102, 634790), (114, 567970), (130, 498066), (156, 415055), (170, 380874), (190, 340782), (195, 332044), (204, 317395), (221, 292980), (228, 283985), (247, 262140), (255, 253916), (257, 251940), (260, 249033), (285, 227188), (323, 200460), (340, 190437), (380, 170391), (390, 166022), (442, 146490), (494, 131070), (510, 126958), (514, 125970), (570, 113594), (646, 100230), (663, 97660), (741, 87380), (771, 83980), (780, 83011), (884, 73245), (969, 66820), (988, 65535), (1020, 63479), (1028, 62985), (1105, 58596), (1140, 56797), (1235, 52428), (1285, 50388), (1292, 50115), (1326, 48830), (1482, 43690), (1542, 41990), (1615, 40092), (1938, 33410), (2210, 29298), (2470, 26214), (2570, 25194), (2652, 24415), (2964, 21845), (3084, 20995), (3230, 20046), (3315, 19532), (3341, 19380), (3705, 17476), (3855, 16796), (3876, 16705), (4199, 15420), (4369, 14820), (4420, 14649), (4845, 13364), (4883, 13260), (4940, 13107), (5140, 12597), (6460, 10023), (6630, 9766), (6682, 9690), (7410, 8738), (7710, 8398)]