29920020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 91445760

約数和(自身を除く): 61525740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 356, 390, 431, 445, 534, 780, 862, 890, 1068, 1157, 1293, 1335, 1724, 1780, 2155, 2314, 2586, 2670, 3471, 4310, 4628, 5172, 5340, 5603, 5785, 6465, 6942, 8620, 11206, 11570, 12930, 13884, 16809, 17355, 22412, 23140, 25860, 28015, 33618, 34710, 38359, 56030, 67236, 69420, 76718, 84045, 112060, 115077, 153436, 168090, 191795, 230154, 336180, 383590, 460308, 498667, 575385, 767180, 997334, 1150770, 1496001, 1994668, 2301540, 2493335, 2992002, 4986670, 5984004, 7480005, 9973340, 14960010, 29920020]

約数ペア:

[(1, 29920020), (2, 14960010), (3, 9973340), (4, 7480005), (5, 5984004), (6, 4986670), (10, 2992002), (12, 2493335), (13, 2301540), (15, 1994668), (20, 1496001), (26, 1150770), (30, 997334), (39, 767180), (52, 575385), (60, 498667), (65, 460308), (78, 383590), (89, 336180), (130, 230154), (156, 191795), (178, 168090), (195, 153436), (260, 115077), (267, 112060), (356, 84045), (390, 76718), (431, 69420), (445, 67236), (534, 56030), (780, 38359), (862, 34710), (890, 33618), (1068, 28015), (1157, 25860), (1293, 23140), (1335, 22412), (1724, 17355), (1780, 16809), (2155, 13884), (2314, 12930), (2586, 11570), (2670, 11206), (3471, 8620), (4310, 6942), (4628, 6465), (5172, 5785), (5340, 5603)]