2815800

素因数分解:

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

素因数の和:70

約数の個数: 144

約数和(自身を含む): 9921240

約数和(自身を除く): 7105440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 25, 26, 30, 38, 39, 40, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 104, 114, 120, 130, 150, 152, 156, 190, 195, 200, 228, 247, 260, 285, 300, 312, 325, 361, 380, 390, 456, 475, 494, 520, 570, 600, 650, 722, 741, 760, 780, 950, 975, 988, 1083, 1140, 1235, 1300, 1425, 1444, 1482, 1560, 1805, 1900, 1950, 1976, 2166, 2280, 2470, 2600, 2850, 2888, 2964, 3610, 3705, 3800, 3900, 4332, 4693, 4940, 5415, 5700, 5928, 6175, 7220, 7410, 7800, 8664, 9025, 9386, 9880, 10830, 11400, 12350, 14079, 14440, 14820, 18050, 18525, 18772, 21660, 23465, 24700, 27075, 28158, 29640, 36100, 37050, 37544, 43320, 46930, 49400, 54150, 56316, 70395, 72200, 74100, 93860, 108300, 112632, 117325, 140790, 148200, 187720, 216600, 234650, 281580, 351975, 469300, 563160, 703950, 938600, 1407900, 2815800]

約数ペア:

[(1, 2815800), (2, 1407900), (3, 938600), (4, 703950), (5, 563160), (6, 469300), (8, 351975), (10, 281580), (12, 234650), (13, 216600), (15, 187720), (19, 148200), (20, 140790), (24, 117325), (25, 112632), (26, 108300), (30, 93860), (38, 74100), (39, 72200), (40, 70395), (50, 56316), (52, 54150), (57, 49400), (60, 46930), (65, 43320), (75, 37544), (76, 37050), (78, 36100), (95, 29640), (100, 28158), (104, 27075), (114, 24700), (120, 23465), (130, 21660), (150, 18772), (152, 18525), (156, 18050), (190, 14820), (195, 14440), (200, 14079), (228, 12350), (247, 11400), (260, 10830), (285, 9880), (300, 9386), (312, 9025), (325, 8664), (361, 7800), (380, 7410), (390, 7220), (456, 6175), (475, 5928), (494, 5700), (520, 5415), (570, 4940), (600, 4693), (650, 4332), (722, 3900), (741, 3800), (760, 3705), (780, 3610), (950, 2964), (975, 2888), (988, 2850), (1083, 2600), (1140, 2470), (1235, 2280), (1300, 2166), (1425, 1976), (1444, 1950), (1482, 1900), (1560, 1805)]