190621980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 596363040

約数和(自身を除く): 405741060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 89, 90, 146, 163, 178, 180, 219, 267, 292, 326, 356, 365, 438, 445, 489, 534, 652, 657, 730, 801, 815, 876, 890, 978, 1068, 1095, 1314, 1335, 1460, 1467, 1602, 1630, 1780, 1956, 2190, 2445, 2628, 2670, 2934, 3204, 3260, 3285, 4005, 4380, 4890, 5340, 5868, 6497, 6570, 7335, 8010, 9780, 11899, 12994, 13140, 14507, 14670, 16020, 19491, 23798, 25988, 29014, 29340, 32485, 35697, 38982, 43521, 47596, 58028, 58473, 59495, 64970, 71394, 72535, 77964, 87042, 97455, 107091, 116946, 118990, 129940, 130563, 142788, 145070, 174084, 178485, 194910, 214182, 217605, 233892, 237980, 261126, 290140, 292365, 356970, 389820, 428364, 435210, 522252, 535455, 584730, 652815, 713940, 870420, 1059011, 1070910, 1169460, 1305630, 2118022, 2141820, 2611260, 3177033, 4236044, 5295055, 6354066, 9531099, 10590110, 12708132, 15885165, 19062198, 21180220, 31770330, 38124396, 47655495, 63540660, 95310990, 190621980]

約数ペア:

[(1, 190621980), (2, 95310990), (3, 63540660), (4, 47655495), (5, 38124396), (6, 31770330), (9, 21180220), (10, 19062198), (12, 15885165), (15, 12708132), (18, 10590110), (20, 9531099), (30, 6354066), (36, 5295055), (45, 4236044), (60, 3177033), (73, 2611260), (89, 2141820), (90, 2118022), (146, 1305630), (163, 1169460), (178, 1070910), (180, 1059011), (219, 870420), (267, 713940), (292, 652815), (326, 584730), (356, 535455), (365, 522252), (438, 435210), (445, 428364), (489, 389820), (534, 356970), (652, 292365), (657, 290140), (730, 261126), (801, 237980), (815, 233892), (876, 217605), (890, 214182), (978, 194910), (1068, 178485), (1095, 174084), (1314, 145070), (1335, 142788), (1460, 130563), (1467, 129940), (1602, 118990), (1630, 116946), (1780, 107091), (1956, 97455), (2190, 87042), (2445, 77964), (2628, 72535), (2670, 71394), (2934, 64970), (3204, 59495), (3260, 58473), (3285, 58028), (4005, 47596), (4380, 43521), (4890, 38982), (5340, 35697), (5868, 32485), (6497, 29340), (6570, 29014), (7335, 25988), (8010, 23798), (9780, 19491), (11899, 16020), (12994, 14670), (13140, 14507)]