90438660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1035

約数の個数: 144

約数和(自身を含む): 304980480

約数和(自身を除く): 214541820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 468, 507, 540, 585, 676, 702, 780, 845, 991, 1014, 1170, 1404, 1521, 1690, 1755, 1982, 2028, 2340, 2535, 2973, 3042, 3380, 3510, 3964, 4563, 4955, 5070, 5946, 6084, 7020, 7605, 8919, 9126, 9910, 10140, 11892, 12883, 14865, 15210, 17838, 18252, 19820, 22815, 25766, 26757, 29730, 30420, 35676, 38649, 44595, 45630, 51532, 53514, 59460, 64415, 77298, 89190, 91260, 107028, 115947, 128830, 133785, 154596, 167479, 178380, 193245, 231894, 257660, 267570, 334958, 347841, 386490, 463788, 502437, 535140, 579735, 669916, 695682, 772980, 837395, 1004874, 1159470, 1391364, 1507311, 1674790, 1739205, 2009748, 2318940, 2512185, 3014622, 3349580, 3478410, 4521933, 5024370, 6029244, 6956820, 7536555, 9043866, 10048740, 15073110, 18087732, 22609665, 30146220, 45219330, 90438660]

約数ペア:

[(1, 90438660), (2, 45219330), (3, 30146220), (4, 22609665), (5, 18087732), (6, 15073110), (9, 10048740), (10, 9043866), (12, 7536555), (13, 6956820), (15, 6029244), (18, 5024370), (20, 4521933), (26, 3478410), (27, 3349580), (30, 3014622), (36, 2512185), (39, 2318940), (45, 2009748), (52, 1739205), (54, 1674790), (60, 1507311), (65, 1391364), (78, 1159470), (90, 1004874), (108, 837395), (117, 772980), (130, 695682), (135, 669916), (156, 579735), (169, 535140), (180, 502437), (195, 463788), (234, 386490), (260, 347841), (270, 334958), (338, 267570), (351, 257660), (390, 231894), (468, 193245), (507, 178380), (540, 167479), (585, 154596), (676, 133785), (702, 128830), (780, 115947), (845, 107028), (991, 91260), (1014, 89190), (1170, 77298), (1404, 64415), (1521, 59460), (1690, 53514), (1755, 51532), (1982, 45630), (2028, 44595), (2340, 38649), (2535, 35676), (2973, 30420), (3042, 29730), (3380, 26757), (3510, 25766), (3964, 22815), (4563, 19820), (4955, 18252), (5070, 17838), (5946, 15210), (6084, 14865), (7020, 12883), (7605, 11892), (8919, 10140), (9126, 9910)]