1551548740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:954

約数の個数: 144

約数和(自身を含む): 4033411200

約数和(自身を除く): 2481862460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 103, 133, 140, 190, 196, 206, 245, 266, 380, 412, 490, 515, 532, 665, 721, 809, 931, 980, 1030, 1330, 1442, 1618, 1862, 1957, 2060, 2660, 2884, 3236, 3605, 3724, 3914, 4045, 4655, 5047, 5663, 7210, 7828, 8090, 9310, 9785, 10094, 11326, 13699, 14420, 15371, 16180, 18620, 19570, 20188, 22652, 25235, 27398, 28315, 30742, 39140, 39641, 50470, 54796, 56630, 61484, 68495, 76855, 79282, 83327, 95893, 100940, 107597, 113260, 136990, 153710, 158564, 166654, 191786, 198205, 215194, 273980, 307420, 333308, 383572, 396410, 416635, 430388, 479465, 537985, 583289, 753179, 792820, 833270, 958930, 1075970, 1166578, 1506358, 1583213, 1666540, 1917860, 2151940, 2333156, 2916445, 3012716, 3166426, 3765895, 4083023, 5832890, 6332852, 7531790, 7916065, 8166046, 11082491, 11665780, 15063580, 15832130, 16332092, 20415115, 22164982, 31664260, 40830230, 44329964, 55412455, 77577437, 81660460, 110824910, 155154874, 221649820, 310309748, 387887185, 775774370, 1551548740]

約数ペア:

[(1, 1551548740), (2, 775774370), (4, 387887185), (5, 310309748), (7, 221649820), (10, 155154874), (14, 110824910), (19, 81660460), (20, 77577437), (28, 55412455), (35, 44329964), (38, 40830230), (49, 31664260), (70, 22164982), (76, 20415115), (95, 16332092), (98, 15832130), (103, 15063580), (133, 11665780), (140, 11082491), (190, 8166046), (196, 7916065), (206, 7531790), (245, 6332852), (266, 5832890), (380, 4083023), (412, 3765895), (490, 3166426), (515, 3012716), (532, 2916445), (665, 2333156), (721, 2151940), (809, 1917860), (931, 1666540), (980, 1583213), (1030, 1506358), (1330, 1166578), (1442, 1075970), (1618, 958930), (1862, 833270), (1957, 792820), (2060, 753179), (2660, 583289), (2884, 537985), (3236, 479465), (3605, 430388), (3724, 416635), (3914, 396410), (4045, 383572), (4655, 333308), (5047, 307420), (5663, 273980), (7210, 215194), (7828, 198205), (8090, 191786), (9310, 166654), (9785, 158564), (10094, 153710), (11326, 136990), (13699, 113260), (14420, 107597), (15371, 100940), (16180, 95893), (18620, 83327), (19570, 79282), (20188, 76855), (22652, 68495), (25235, 61484), (27398, 56630), (28315, 54796), (30742, 50470), (39140, 39641)]