255640630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 591390720

約数和(自身を除く): 335750090

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 61, 70, 95, 115, 122, 133, 137, 161, 190, 230, 266, 274, 305, 322, 427, 437, 610, 665, 685, 805, 854, 874, 959, 1159, 1330, 1370, 1403, 1610, 1918, 2135, 2185, 2318, 2603, 2806, 3059, 3151, 4270, 4370, 4795, 5206, 5795, 6118, 6302, 7015, 8113, 8357, 9590, 9821, 11590, 13015, 14030, 15295, 15755, 16226, 16714, 18221, 19642, 22057, 26030, 26657, 30590, 31510, 36442, 40565, 41785, 44114, 49105, 53314, 58499, 59869, 81130, 83570, 91105, 98210, 110285, 116998, 119738, 133285, 158783, 182210, 186599, 192211, 220570, 266570, 292495, 299345, 317566, 373198, 384422, 419083, 584990, 598690, 793915, 838166, 932995, 961055, 1111481, 1345477, 1587830, 1865990, 1922110, 2095415, 2222962, 2690954, 3652009, 4190830, 5557405, 6727385, 7304018, 11114810, 13454770, 18260045, 25564063, 36520090, 51128126, 127820315, 255640630]

約数ペア:

[(1, 255640630), (2, 127820315), (5, 51128126), (7, 36520090), (10, 25564063), (14, 18260045), (19, 13454770), (23, 11114810), (35, 7304018), (38, 6727385), (46, 5557405), (61, 4190830), (70, 3652009), (95, 2690954), (115, 2222962), (122, 2095415), (133, 1922110), (137, 1865990), (161, 1587830), (190, 1345477), (230, 1111481), (266, 961055), (274, 932995), (305, 838166), (322, 793915), (427, 598690), (437, 584990), (610, 419083), (665, 384422), (685, 373198), (805, 317566), (854, 299345), (874, 292495), (959, 266570), (1159, 220570), (1330, 192211), (1370, 186599), (1403, 182210), (1610, 158783), (1918, 133285), (2135, 119738), (2185, 116998), (2318, 110285), (2603, 98210), (2806, 91105), (3059, 83570), (3151, 81130), (4270, 59869), (4370, 58499), (4795, 53314), (5206, 49105), (5795, 44114), (6118, 41785), (6302, 40565), (7015, 36442), (8113, 31510), (8357, 30590), (9590, 26657), (9821, 26030), (11590, 22057), (13015, 19642), (14030, 18221), (15295, 16714), (15755, 16226)]