72204560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 179601600

約数和(自身を除く): 107397040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 709, 760, 1072, 1273, 1340, 1418, 1520, 2546, 2680, 2836, 3545, 5092, 5360, 5672, 6365, 7090, 10184, 11344, 12730, 13471, 14180, 20368, 25460, 26942, 28360, 47503, 50920, 53884, 56720, 67355, 95006, 101840, 107768, 134710, 190012, 215536, 237515, 269420, 380024, 475030, 538840, 760048, 902557, 950060, 1077680, 1805114, 1900120, 3610228, 3800240, 4512785, 7220456, 9025570, 14440912, 18051140, 36102280, 72204560]

約数ペア:

[(1, 72204560), (2, 36102280), (4, 18051140), (5, 14440912), (8, 9025570), (10, 7220456), (16, 4512785), (19, 3800240), (20, 3610228), (38, 1900120), (40, 1805114), (67, 1077680), (76, 950060), (80, 902557), (95, 760048), (134, 538840), (152, 475030), (190, 380024), (268, 269420), (304, 237515), (335, 215536), (380, 190012), (536, 134710), (670, 107768), (709, 101840), (760, 95006), (1072, 67355), (1273, 56720), (1340, 53884), (1418, 50920), (1520, 47503), (2546, 28360), (2680, 26942), (2836, 25460), (3545, 20368), (5092, 14180), (5360, 13471), (5672, 12730), (6365, 11344), (7090, 10184)]