64520400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{7681}}^1$

素因数の和:7709

約数の個数: 120

約数和(自身を含む): 236236864

約数和(自身を除く): 171716464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 7681, 8400, 15362, 23043, 30724, 38405, 46086, 53767, 61448, 76810, 92172, 107534, 115215, 122896, 153620, 161301, 184344, 192025, 215068, 230430, 268835, 307240, 322602, 368688, 384050, 430136, 460860, 537670, 576075, 614480, 645204, 768100, 806505, 860272, 921720, 1075340, 1152150, 1290408, 1344175, 1536200, 1613010, 1843440, 2150680, 2304300, 2580816, 2688350, 3072400, 3226020, 4032525, 4301360, 4608600, 5376700, 6452040, 8065050, 9217200, 10753400, 12904080, 16130100, 21506800, 32260200, 64520400]

約数ペア:

[(1, 64520400), (2, 32260200), (3, 21506800), (4, 16130100), (5, 12904080), (6, 10753400), (7, 9217200), (8, 8065050), (10, 6452040), (12, 5376700), (14, 4608600), (15, 4301360), (16, 4032525), (20, 3226020), (21, 3072400), (24, 2688350), (25, 2580816), (28, 2304300), (30, 2150680), (35, 1843440), (40, 1613010), (42, 1536200), (48, 1344175), (50, 1290408), (56, 1152150), (60, 1075340), (70, 921720), (75, 860272), (80, 806505), (84, 768100), (100, 645204), (105, 614480), (112, 576075), (120, 537670), (140, 460860), (150, 430136), (168, 384050), (175, 368688), (200, 322602), (210, 307240), (240, 268835), (280, 230430), (300, 215068), (336, 192025), (350, 184344), (400, 161301), (420, 153620), (525, 122896), (560, 115215), (600, 107534), (700, 92172), (840, 76810), (1050, 61448), (1200, 53767), (1400, 46086), (1680, 38405), (2100, 30724), (2800, 23043), (4200, 15362), (7681, 8400)]