30914820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 68151420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 59, 60, 71, 82, 90, 118, 123, 142, 164, 177, 180, 205, 213, 236, 246, 284, 295, 354, 355, 369, 410, 426, 492, 531, 590, 615, 639, 708, 710, 738, 820, 852, 885, 1062, 1065, 1180, 1230, 1278, 1420, 1476, 1770, 1845, 2124, 2130, 2419, 2460, 2556, 2655, 2911, 3195, 3540, 3690, 4189, 4260, 4838, 5310, 5822, 6390, 7257, 7380, 8378, 8733, 9676, 10620, 11644, 12095, 12567, 12780, 14514, 14555, 16756, 17466, 20945, 21771, 24190, 25134, 26199, 29028, 29110, 34932, 36285, 37701, 41890, 43542, 43665, 48380, 50268, 52398, 58220, 62835, 72570, 75402, 83780, 87084, 87330, 104796, 108855, 125670, 130995, 145140, 150804, 171749, 174660, 188505, 217710, 251340, 261990, 343498, 377010, 435420, 515247, 523980, 686996, 754020, 858745, 1030494, 1545741, 1717490, 2060988, 2576235, 3091482, 3434980, 5152470, 6182964, 7728705, 10304940, 15457410, 30914820]

約数ペア:

[(1, 30914820), (2, 15457410), (3, 10304940), (4, 7728705), (5, 6182964), (6, 5152470), (9, 3434980), (10, 3091482), (12, 2576235), (15, 2060988), (18, 1717490), (20, 1545741), (30, 1030494), (36, 858745), (41, 754020), (45, 686996), (59, 523980), (60, 515247), (71, 435420), (82, 377010), (90, 343498), (118, 261990), (123, 251340), (142, 217710), (164, 188505), (177, 174660), (180, 171749), (205, 150804), (213, 145140), (236, 130995), (246, 125670), (284, 108855), (295, 104796), (354, 87330), (355, 87084), (369, 83780), (410, 75402), (426, 72570), (492, 62835), (531, 58220), (590, 52398), (615, 50268), (639, 48380), (708, 43665), (710, 43542), (738, 41890), (820, 37701), (852, 36285), (885, 34932), (1062, 29110), (1065, 29028), (1180, 26199), (1230, 25134), (1278, 24190), (1420, 21771), (1476, 20945), (1770, 17466), (1845, 16756), (2124, 14555), (2130, 14514), (2419, 12780), (2460, 12567), (2556, 12095), (2655, 11644), (2911, 10620), (3195, 9676), (3540, 8733), (3690, 8378), (4189, 7380), (4260, 7257), (4838, 6390), (5310, 5822)]