221455260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:357

約数の個数: 288

約数和(自身を含む): 809040960

約数和(自身を除く): 587585700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 19, 20, 26, 30, 34, 36, 38, 39, 45, 51, 52, 57, 60, 65, 68, 76, 78, 85, 90, 95, 102, 114, 117, 130, 153, 156, 170, 171, 180, 190, 195, 204, 221, 228, 234, 247, 255, 260, 285, 293, 306, 323, 340, 342, 380, 390, 442, 468, 494, 510, 570, 585, 586, 612, 646, 663, 684, 741, 765, 780, 855, 879, 884, 969, 988, 1020, 1105, 1140, 1170, 1172, 1235, 1292, 1326, 1465, 1482, 1530, 1615, 1710, 1758, 1938, 1989, 2210, 2223, 2340, 2470, 2637, 2652, 2907, 2930, 2964, 3060, 3230, 3315, 3420, 3516, 3705, 3809, 3876, 3978, 4199, 4395, 4420, 4446, 4845, 4940, 4981, 5274, 5567, 5814, 5860, 6460, 6630, 7410, 7618, 7956, 8398, 8790, 8892, 9690, 9945, 9962, 10548, 11115, 11134, 11427, 11628, 12597, 13185, 13260, 14535, 14820, 14943, 15236, 16701, 16796, 17580, 19045, 19380, 19890, 19924, 20995, 22230, 22268, 22854, 24905, 25194, 26370, 27835, 29070, 29886, 33402, 34281, 37791, 38090, 39780, 41990, 44460, 44829, 45708, 49810, 50103, 50388, 52740, 55670, 57135, 58140, 59772, 62985, 64753, 66804, 68562, 72371, 74715, 75582, 76180, 83505, 83980, 89658, 94639, 99620, 100206, 111340, 114270, 125970, 129506, 137124, 144742, 149430, 151164, 167010, 171405, 179316, 188955, 189278, 194259, 200412, 217113, 224145, 228540, 250515, 251940, 259012, 283917, 289484, 298860, 323765, 334020, 342810, 361855, 377910, 378556, 388518, 434226, 448290, 473195, 501030, 567834, 582777, 647530, 651339, 685620, 723710, 755820, 777036, 851751, 868452, 896580, 946390, 971295, 1002060, 1085565, 1135668, 1165554, 1230307, 1295060, 1302678, 1419585, 1447420, 1703502, 1892780, 1942590, 2171130, 2331108, 2460614, 2605356, 2839170, 2913885, 3256695, 3407004, 3690921, 3885180, 4258755, 4342260, 4921228, 5678340, 5827770, 6151535, 6513390, 7381842, 8517510, 11072763, 11655540, 12303070, 13026780, 14763684, 17035020, 18454605, 22145526, 24606140, 36909210, 44291052, 55363815, 73818420, 110727630, 221455260]

約数ペア:

[(1, 221455260), (2, 110727630), (3, 73818420), (4, 55363815), (5, 44291052), (6, 36909210), (9, 24606140), (10, 22145526), (12, 18454605), (13, 17035020), (15, 14763684), (17, 13026780), (18, 12303070), (19, 11655540), (20, 11072763), (26, 8517510), (30, 7381842), (34, 6513390), (36, 6151535), (38, 5827770), (39, 5678340), (45, 4921228), (51, 4342260), (52, 4258755), (57, 3885180), (60, 3690921), (65, 3407004), (68, 3256695), (76, 2913885), (78, 2839170), (85, 2605356), (90, 2460614), (95, 2331108), (102, 2171130), (114, 1942590), (117, 1892780), (130, 1703502), (153, 1447420), (156, 1419585), (170, 1302678), (171, 1295060), (180, 1230307), (190, 1165554), (195, 1135668), (204, 1085565), (221, 1002060), (228, 971295), (234, 946390), (247, 896580), (255, 868452), (260, 851751), (285, 777036), (293, 755820), (306, 723710), (323, 685620), (340, 651339), (342, 647530), (380, 582777), (390, 567834), (442, 501030), (468, 473195), (494, 448290), (510, 434226), (570, 388518), (585, 378556), (586, 377910), (612, 361855), (646, 342810), (663, 334020), (684, 323765), (741, 298860), (765, 289484), (780, 283917), (855, 259012), (879, 251940), (884, 250515), (969, 228540), (988, 224145), (1020, 217113), (1105, 200412), (1140, 194259), (1170, 189278), (1172, 188955), (1235, 179316), (1292, 171405), (1326, 167010), (1465, 151164), (1482, 149430), (1530, 144742), (1615, 137124), (1710, 129506), (1758, 125970), (1938, 114270), (1989, 111340), (2210, 100206), (2223, 99620), (2340, 94639), (2470, 89658), (2637, 83980), (2652, 83505), (2907, 76180), (2930, 75582), (2964, 74715), (3060, 72371), (3230, 68562), (3315, 66804), (3420, 64753), (3516, 62985), (3705, 59772), (3809, 58140), (3876, 57135), (3978, 55670), (4199, 52740), (4395, 50388), (4420, 50103), (4446, 49810), (4845, 45708), (4940, 44829), (4981, 44460), (5274, 41990), (5567, 39780), (5814, 38090), (5860, 37791), (6460, 34281), (6630, 33402), (7410, 29886), (7618, 29070), (7956, 27835), (8398, 26370), (8790, 25194), (8892, 24905), (9690, 22854), (9945, 22268), (9962, 22230), (10548, 20995), (11115, 19924), (11134, 19890), (11427, 19380), (11628, 19045), (12597, 17580), (13185, 16796), (13260, 16701), (14535, 15236), (14820, 14943)]