520650

素因数分解:

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

素因数の和:120

約数の個数: 72

約数和(自身を含む): 1523340

約数和(自身を除く): 1002690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 89, 90, 117, 130, 150, 178, 195, 225, 234, 267, 325, 390, 445, 450, 534, 585, 650, 801, 890, 975, 1157, 1170, 1335, 1602, 1950, 2225, 2314, 2670, 2925, 3471, 4005, 4450, 5785, 5850, 6675, 6942, 8010, 10413, 11570, 13350, 17355, 20025, 20826, 28925, 34710, 40050, 52065, 57850, 86775, 104130, 173550, 260325, 520650]

約数ペア:

[(1, 520650), (2, 260325), (3, 173550), (5, 104130), (6, 86775), (9, 57850), (10, 52065), (13, 40050), (15, 34710), (18, 28925), (25, 20826), (26, 20025), (30, 17355), (39, 13350), (45, 11570), (50, 10413), (65, 8010), (75, 6942), (78, 6675), (89, 5850), (90, 5785), (117, 4450), (130, 4005), (150, 3471), (178, 2925), (195, 2670), (225, 2314), (234, 2225), (267, 1950), (325, 1602), (390, 1335), (445, 1170), (450, 1157), (534, 975), (585, 890), (650, 801)]