317881980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 288

約数和(自身を含む): 1126052928

約数和(自身を除く): 808170948

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, 61, 65, 68, 78, 85, 90, 102, 117, 122, 130, 131, 153, 156, 170, 180, 183, 195, 204, 221, 234, 244, 255, 260, 262, 305, 306, 340, 366, 390, 393, 442, 468, 510, 524, 549, 585, 610, 612, 655, 663, 732, 765, 780, 786, 793, 884, 915, 1020, 1037, 1098, 1105, 1170, 1179, 1220, 1310, 1326, 1530, 1572, 1586, 1703, 1830, 1965, 1989, 2074, 2196, 2210, 2227, 2340, 2358, 2379, 2620, 2652, 2745, 3060, 3111, 3172, 3315, 3406, 3660, 3930, 3965, 3978, 4148, 4420, 4454, 4716, 4758, 5109, 5185, 5490, 5895, 6222, 6630, 6681, 6812, 7137, 7860, 7930, 7956, 7991, 8515, 8908, 9333, 9516, 9945, 10218, 10370, 10980, 11135, 11790, 11895, 12444, 13260, 13362, 13481, 14274, 15327, 15555, 15860, 15982, 17030, 18666, 19890, 20043, 20436, 20740, 22270, 23580, 23790, 23973, 25545, 26724, 26962, 28548, 28951, 30654, 31110, 31964, 33405, 34060, 35685, 37332, 39780, 39955, 40086, 40443, 44540, 46665, 47580, 47946, 51090, 53924, 57902, 61308, 62220, 66810, 67405, 71370, 71919, 76635, 79910, 80172, 80886, 86853, 93330, 95892, 100215, 102180, 103883, 115804, 119865, 121329, 133620, 134810, 135847, 142740, 143838, 144755, 153270, 159820, 161772, 173706, 186660, 200430, 202215, 207766, 239730, 242658, 260559, 269620, 271694, 287676, 289510, 306540, 311649, 347412, 359595, 400860, 404430, 407541, 415532, 434265, 479460, 485316, 519415, 521118, 543388, 579020, 606645, 623298, 679235, 719190, 808860, 815082, 868530, 934947, 1038830, 1042236, 1213290, 1222623, 1246596, 1302795, 1358470, 1438380, 1558245, 1630164, 1737060, 1766011, 1869894, 2037705, 2077660, 2426580, 2445246, 2605590, 2716940, 3116490, 3532022, 3739788, 4075410, 4674735, 4890492, 5211180, 5298033, 6113115, 6232980, 7064044, 8150820, 8830055, 9349470, 10596066, 12226230, 15894099, 17660110, 18698940, 21192132, 24452460, 26490165, 31788198, 35320220, 52980330, 63576396, 79470495, 105960660, 158940990, 317881980]

約数ペア:

[(1, 317881980), (2, 158940990), (3, 105960660), (4, 79470495), (5, 63576396), (6, 52980330), (9, 35320220), (10, 31788198), (12, 26490165), (13, 24452460), (15, 21192132), (17, 18698940), (18, 17660110), (20, 15894099), (26, 12226230), (30, 10596066), (34, 9349470), (36, 8830055), (39, 8150820), (45, 7064044), (51, 6232980), (52, 6113115), (60, 5298033), (61, 5211180), (65, 4890492), (68, 4674735), (78, 4075410), (85, 3739788), (90, 3532022), (102, 3116490), (117, 2716940), (122, 2605590), (130, 2445246), (131, 2426580), (153, 2077660), (156, 2037705), (170, 1869894), (180, 1766011), (183, 1737060), (195, 1630164), (204, 1558245), (221, 1438380), (234, 1358470), (244, 1302795), (255, 1246596), (260, 1222623), (262, 1213290), (305, 1042236), (306, 1038830), (340, 934947), (366, 868530), (390, 815082), (393, 808860), (442, 719190), (468, 679235), (510, 623298), (524, 606645), (549, 579020), (585, 543388), (610, 521118), (612, 519415), (655, 485316), (663, 479460), (732, 434265), (765, 415532), (780, 407541), (786, 404430), (793, 400860), (884, 359595), (915, 347412), (1020, 311649), (1037, 306540), (1098, 289510), (1105, 287676), (1170, 271694), (1179, 269620), (1220, 260559), (1310, 242658), (1326, 239730), (1530, 207766), (1572, 202215), (1586, 200430), (1703, 186660), (1830, 173706), (1965, 161772), (1989, 159820), (2074, 153270), (2196, 144755), (2210, 143838), (2227, 142740), (2340, 135847), (2358, 134810), (2379, 133620), (2620, 121329), (2652, 119865), (2745, 115804), (3060, 103883), (3111, 102180), (3172, 100215), (3315, 95892), (3406, 93330), (3660, 86853), (3930, 80886), (3965, 80172), (3978, 79910), (4148, 76635), (4420, 71919), (4454, 71370), (4716, 67405), (4758, 66810), (5109, 62220), (5185, 61308), (5490, 57902), (5895, 53924), (6222, 51090), (6630, 47946), (6681, 47580), (6812, 46665), (7137, 44540), (7860, 40443), (7930, 40086), (7956, 39955), (7991, 39780), (8515, 37332), (8908, 35685), (9333, 34060), (9516, 33405), (9945, 31964), (10218, 31110), (10370, 30654), (10980, 28951), (11135, 28548), (11790, 26962), (11895, 26724), (12444, 25545), (13260, 23973), (13362, 23790), (13481, 23580), (14274, 22270), (15327, 20740), (15555, 20436), (15860, 20043), (15982, 19890), (17030, 18666)]