17776980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 59439744

約数和(自身を除く): 41662764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 107, 117, 130, 142, 156, 180, 195, 213, 214, 234, 260, 284, 321, 355, 390, 426, 428, 468, 535, 585, 639, 642, 710, 780, 852, 923, 963, 1065, 1070, 1170, 1278, 1284, 1391, 1420, 1605, 1846, 1926, 2130, 2140, 2340, 2556, 2769, 2782, 3195, 3210, 3692, 3852, 4173, 4260, 4615, 4815, 5538, 5564, 6390, 6420, 6955, 7597, 8307, 8346, 9230, 9630, 11076, 12519, 12780, 13845, 13910, 15194, 16614, 16692, 18460, 19260, 20865, 22791, 25038, 27690, 27820, 30388, 33228, 37985, 41535, 41730, 45582, 50076, 55380, 62595, 68373, 75970, 83070, 83460, 91164, 98761, 113955, 125190, 136746, 151940, 166140, 197522, 227910, 250380, 273492, 296283, 341865, 395044, 455820, 493805, 592566, 683730, 888849, 987610, 1185132, 1367460, 1481415, 1777698, 1975220, 2962830, 3555396, 4444245, 5925660, 8888490, 17776980]

約数ペア:

[(1, 17776980), (2, 8888490), (3, 5925660), (4, 4444245), (5, 3555396), (6, 2962830), (9, 1975220), (10, 1777698), (12, 1481415), (13, 1367460), (15, 1185132), (18, 987610), (20, 888849), (26, 683730), (30, 592566), (36, 493805), (39, 455820), (45, 395044), (52, 341865), (60, 296283), (65, 273492), (71, 250380), (78, 227910), (90, 197522), (107, 166140), (117, 151940), (130, 136746), (142, 125190), (156, 113955), (180, 98761), (195, 91164), (213, 83460), (214, 83070), (234, 75970), (260, 68373), (284, 62595), (321, 55380), (355, 50076), (390, 45582), (426, 41730), (428, 41535), (468, 37985), (535, 33228), (585, 30388), (639, 27820), (642, 27690), (710, 25038), (780, 22791), (852, 20865), (923, 19260), (963, 18460), (1065, 16692), (1070, 16614), (1170, 15194), (1278, 13910), (1284, 13845), (1391, 12780), (1420, 12519), (1605, 11076), (1846, 9630), (1926, 9230), (2130, 8346), (2140, 8307), (2340, 7597), (2556, 6955), (2769, 6420), (2782, 6390), (3195, 5564), (3210, 5538), (3692, 4815), (3852, 4615), (4173, 4260)]