40491960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:917

約数の個数: 128

約数和(自身を含む): 134369280

約数和(自身を除く): 93877320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 863, 920, 1020, 1173, 1380, 1564, 1726, 1955, 2040, 2346, 2589, 2760, 3128, 3452, 3910, 4315, 4692, 5178, 5865, 6904, 7820, 8630, 9384, 10356, 11730, 12945, 14671, 15640, 17260, 19849, 20712, 23460, 25890, 29342, 34520, 39698, 44013, 46920, 51780, 58684, 59547, 73355, 79396, 88026, 99245, 103560, 117368, 119094, 146710, 158792, 176052, 198490, 220065, 238188, 293420, 297735, 337433, 352104, 396980, 440130, 476376, 586840, 595470, 674866, 793960, 880260, 1012299, 1190940, 1349732, 1687165, 1760520, 2024598, 2381880, 2699464, 3374330, 4049196, 5061495, 6748660, 8098392, 10122990, 13497320, 20245980, 40491960]

約数ペア:

[(1, 40491960), (2, 20245980), (3, 13497320), (4, 10122990), (5, 8098392), (6, 6748660), (8, 5061495), (10, 4049196), (12, 3374330), (15, 2699464), (17, 2381880), (20, 2024598), (23, 1760520), (24, 1687165), (30, 1349732), (34, 1190940), (40, 1012299), (46, 880260), (51, 793960), (60, 674866), (68, 595470), (69, 586840), (85, 476376), (92, 440130), (102, 396980), (115, 352104), (120, 337433), (136, 297735), (138, 293420), (170, 238188), (184, 220065), (204, 198490), (230, 176052), (255, 158792), (276, 146710), (340, 119094), (345, 117368), (391, 103560), (408, 99245), (460, 88026), (510, 79396), (552, 73355), (680, 59547), (690, 58684), (782, 51780), (863, 46920), (920, 44013), (1020, 39698), (1173, 34520), (1380, 29342), (1564, 25890), (1726, 23460), (1955, 20712), (2040, 19849), (2346, 17260), (2589, 15640), (2760, 14671), (3128, 12945), (3452, 11730), (3910, 10356), (4315, 9384), (4692, 8630), (5178, 7820), (5865, 6904)]