1289914380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1103}}^1$

素因数の和:1280

約数の個数: 144

約数和(自身を含む): 4014541440

約数和(自身を除く): 2724627060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 89, 90, 146, 178, 180, 219, 267, 292, 356, 365, 438, 445, 534, 657, 730, 801, 876, 890, 1068, 1095, 1103, 1314, 1335, 1460, 1602, 1780, 2190, 2206, 2628, 2670, 3204, 3285, 3309, 4005, 4380, 4412, 5340, 5515, 6497, 6570, 6618, 8010, 9927, 11030, 12994, 13140, 13236, 16020, 16545, 19491, 19854, 22060, 25988, 32485, 33090, 38982, 39708, 49635, 58473, 64970, 66180, 77964, 80519, 97455, 98167, 99270, 116946, 129940, 161038, 194910, 196334, 198540, 233892, 241557, 292365, 294501, 322076, 389820, 392668, 402595, 483114, 490835, 584730, 589002, 724671, 805190, 883503, 966228, 981670, 1169460, 1178004, 1207785, 1449342, 1472505, 1610380, 1767006, 1963340, 2415570, 2898684, 2945010, 3534012, 3623355, 4417515, 4831140, 5890020, 7166191, 7246710, 8835030, 14332382, 14493420, 17670060, 21498573, 28664764, 35830955, 42997146, 64495719, 71661910, 85994292, 107492865, 128991438, 143323820, 214985730, 257982876, 322478595, 429971460, 644957190, 1289914380]

約数ペア:

[(1, 1289914380), (2, 644957190), (3, 429971460), (4, 322478595), (5, 257982876), (6, 214985730), (9, 143323820), (10, 128991438), (12, 107492865), (15, 85994292), (18, 71661910), (20, 64495719), (30, 42997146), (36, 35830955), (45, 28664764), (60, 21498573), (73, 17670060), (89, 14493420), (90, 14332382), (146, 8835030), (178, 7246710), (180, 7166191), (219, 5890020), (267, 4831140), (292, 4417515), (356, 3623355), (365, 3534012), (438, 2945010), (445, 2898684), (534, 2415570), (657, 1963340), (730, 1767006), (801, 1610380), (876, 1472505), (890, 1449342), (1068, 1207785), (1095, 1178004), (1103, 1169460), (1314, 981670), (1335, 966228), (1460, 883503), (1602, 805190), (1780, 724671), (2190, 589002), (2206, 584730), (2628, 490835), (2670, 483114), (3204, 402595), (3285, 392668), (3309, 389820), (4005, 322076), (4380, 294501), (4412, 292365), (5340, 241557), (5515, 233892), (6497, 198540), (6570, 196334), (6618, 194910), (8010, 161038), (9927, 129940), (11030, 116946), (12994, 99270), (13140, 98167), (13236, 97455), (16020, 80519), (16545, 77964), (19491, 66180), (19854, 64970), (22060, 58473), (25988, 49635), (32485, 39708), (33090, 38982)]