1640211140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 3606011136

約数和(自身を除く): 1965799996

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 103, 106, 166, 181, 206, 212, 265, 332, 362, 412, 415, 515, 530, 724, 830, 905, 1030, 1060, 1660, 1810, 2060, 3620, 4399, 5459, 8549, 8798, 9593, 10918, 15023, 17098, 17596, 18643, 19186, 21836, 21995, 27295, 30046, 34196, 37286, 38372, 42745, 43990, 47965, 54590, 60092, 74572, 75115, 85490, 87980, 93215, 95930, 109180, 150230, 170980, 186430, 191860, 300460, 372860, 453097, 796219, 906194, 988079, 1547369, 1592438, 1812388, 1976158, 2265485, 3094738, 3184876, 3952316, 3981095, 4530970, 4940395, 6189476, 7736845, 7962190, 9061940, 9880790, 15473690, 15924380, 19761580, 30947380, 82010557, 164021114, 328042228, 410052785, 820105570, 1640211140]

約数ペア:

[(1, 1640211140), (2, 820105570), (4, 410052785), (5, 328042228), (10, 164021114), (20, 82010557), (53, 30947380), (83, 19761580), (103, 15924380), (106, 15473690), (166, 9880790), (181, 9061940), (206, 7962190), (212, 7736845), (265, 6189476), (332, 4940395), (362, 4530970), (412, 3981095), (415, 3952316), (515, 3184876), (530, 3094738), (724, 2265485), (830, 1976158), (905, 1812388), (1030, 1592438), (1060, 1547369), (1660, 988079), (1810, 906194), (2060, 796219), (3620, 453097), (4399, 372860), (5459, 300460), (8549, 191860), (8798, 186430), (9593, 170980), (10918, 150230), (15023, 109180), (17098, 95930), (17596, 93215), (18643, 87980), (19186, 85490), (21836, 75115), (21995, 74572), (27295, 60092), (30046, 54590), (34196, 47965), (37286, 43990), (38372, 42745)]