218631720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 676823040

約数和(自身を除く): 458191320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 71, 120, 134, 142, 201, 213, 268, 284, 335, 355, 383, 402, 426, 536, 568, 670, 710, 766, 804, 852, 1005, 1065, 1149, 1340, 1420, 1532, 1608, 1704, 1915, 2010, 2130, 2298, 2680, 2840, 3064, 3830, 4020, 4260, 4596, 4757, 5745, 7660, 8040, 8520, 9192, 9514, 11490, 14271, 15320, 19028, 22980, 23785, 25661, 27193, 28542, 38056, 45960, 47570, 51322, 54386, 57084, 71355, 76983, 81579, 95140, 102644, 108772, 114168, 128305, 135965, 142710, 153966, 163158, 190280, 205288, 217544, 256610, 271930, 285420, 307932, 326316, 384915, 407895, 513220, 543860, 570840, 615864, 652632, 769830, 815790, 1026440, 1087720, 1539660, 1631580, 1821931, 3079320, 3263160, 3643862, 5465793, 7287724, 9109655, 10931586, 14575448, 18219310, 21863172, 27328965, 36438620, 43726344, 54657930, 72877240, 109315860, 218631720]

約数ペア:

[(1, 218631720), (2, 109315860), (3, 72877240), (4, 54657930), (5, 43726344), (6, 36438620), (8, 27328965), (10, 21863172), (12, 18219310), (15, 14575448), (20, 10931586), (24, 9109655), (30, 7287724), (40, 5465793), (60, 3643862), (67, 3263160), (71, 3079320), (120, 1821931), (134, 1631580), (142, 1539660), (201, 1087720), (213, 1026440), (268, 815790), (284, 769830), (335, 652632), (355, 615864), (383, 570840), (402, 543860), (426, 513220), (536, 407895), (568, 384915), (670, 326316), (710, 307932), (766, 285420), (804, 271930), (852, 256610), (1005, 217544), (1065, 205288), (1149, 190280), (1340, 163158), (1420, 153966), (1532, 142710), (1608, 135965), (1704, 128305), (1915, 114168), (2010, 108772), (2130, 102644), (2298, 95140), (2680, 81579), (2840, 76983), (3064, 71355), (3830, 57084), (4020, 54386), (4260, 51322), (4596, 47570), (4757, 45960), (5745, 38056), (7660, 28542), (8040, 27193), (8520, 25661), (9192, 23785), (9514, 22980), (11490, 19028), (14271, 15320)]