13220485380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{8969}}^1$

素因数の和:9434

約数の個数: 144

約数和(自身を含む): 42315436800

約数和(自身を除く): 29094951420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 431, 570, 684, 855, 862, 1140, 1293, 1710, 1724, 2155, 2586, 3420, 3879, 4310, 5172, 6465, 7758, 8189, 8620, 8969, 12930, 15516, 16378, 17938, 19395, 24567, 25860, 26907, 32756, 35876, 38790, 40945, 44845, 49134, 53814, 73701, 77580, 80721, 81890, 89690, 98268, 107628, 122835, 134535, 147402, 161442, 163780, 170411, 179380, 245670, 269070, 294804, 322884, 340822, 368505, 403605, 491340, 511233, 538140, 681644, 737010, 807210, 852055, 1022466, 1474020, 1533699, 1614420, 1704110, 2044932, 2556165, 3067398, 3408220, 3865639, 5112330, 6134796, 7668495, 7731278, 10224660, 11596917, 15336990, 15462556, 19328195, 23193834, 30673980, 34790751, 38656390, 46387668, 57984585, 69581502, 73447141, 77312780, 115969170, 139163004, 146894282, 173953755, 220341423, 231938340, 293788564, 347907510, 367235705, 440682846, 661024269, 695815020, 734471410, 881365692, 1101707115, 1322048538, 1468942820, 2203414230, 2644097076, 3305121345, 4406828460, 6610242690, 13220485380]

約数ペア:

[(1, 13220485380), (2, 6610242690), (3, 4406828460), (4, 3305121345), (5, 2644097076), (6, 2203414230), (9, 1468942820), (10, 1322048538), (12, 1101707115), (15, 881365692), (18, 734471410), (19, 695815020), (20, 661024269), (30, 440682846), (36, 367235705), (38, 347907510), (45, 293788564), (57, 231938340), (60, 220341423), (76, 173953755), (90, 146894282), (95, 139163004), (114, 115969170), (171, 77312780), (180, 73447141), (190, 69581502), (228, 57984585), (285, 46387668), (342, 38656390), (380, 34790751), (431, 30673980), (570, 23193834), (684, 19328195), (855, 15462556), (862, 15336990), (1140, 11596917), (1293, 10224660), (1710, 7731278), (1724, 7668495), (2155, 6134796), (2586, 5112330), (3420, 3865639), (3879, 3408220), (4310, 3067398), (5172, 2556165), (6465, 2044932), (7758, 1704110), (8189, 1614420), (8620, 1533699), (8969, 1474020), (12930, 1022466), (15516, 852055), (16378, 807210), (17938, 737010), (19395, 681644), (24567, 538140), (25860, 511233), (26907, 491340), (32756, 403605), (35876, 368505), (38790, 340822), (40945, 322884), (44845, 294804), (49134, 269070), (53814, 245670), (73701, 179380), (77580, 170411), (80721, 163780), (81890, 161442), (89690, 147402), (98268, 134535), (107628, 122835)]