420997980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:836

約数の個数: 192

約数和(自身を含む): 1369202688

約数和(自身を除く): 948204708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 31, 39, 46, 52, 60, 62, 65, 69, 78, 92, 93, 115, 124, 130, 138, 155, 156, 186, 195, 230, 260, 276, 299, 310, 345, 372, 390, 403, 460, 465, 598, 620, 690, 713, 757, 780, 806, 897, 930, 1196, 1209, 1380, 1426, 1495, 1514, 1612, 1794, 1860, 2015, 2139, 2271, 2418, 2852, 2990, 3028, 3565, 3588, 3785, 4030, 4278, 4485, 4542, 4836, 5980, 6045, 7130, 7570, 8060, 8556, 8970, 9084, 9269, 9841, 10695, 11355, 12090, 14260, 15140, 17411, 17940, 18538, 19682, 21390, 22710, 23467, 24180, 27807, 29523, 34822, 37076, 39364, 42780, 45420, 46345, 46934, 49205, 52233, 55614, 59046, 69644, 70401, 87055, 92690, 93868, 98410, 104466, 111228, 117335, 118092, 139035, 140802, 147615, 174110, 185380, 196820, 208932, 226343, 234670, 261165, 278070, 281604, 295230, 305071, 348220, 352005, 452686, 469340, 522330, 539741, 556140, 590460, 610142, 679029, 704010, 905372, 915213, 1044660, 1079482, 1131715, 1220284, 1358058, 1408020, 1525355, 1619223, 1830426, 2158964, 2263430, 2698705, 2716116, 3050710, 3238446, 3395145, 3660852, 4526860, 4576065, 5397410, 6101420, 6476892, 6790290, 7016633, 8096115, 9152130, 10794820, 13580580, 14033266, 16192230, 18304260, 21049899, 28066532, 32384460, 35083165, 42099798, 70166330, 84199596, 105249495, 140332660, 210498990, 420997980]

約数ペア:

[(1, 420997980), (2, 210498990), (3, 140332660), (4, 105249495), (5, 84199596), (6, 70166330), (10, 42099798), (12, 35083165), (13, 32384460), (15, 28066532), (20, 21049899), (23, 18304260), (26, 16192230), (30, 14033266), (31, 13580580), (39, 10794820), (46, 9152130), (52, 8096115), (60, 7016633), (62, 6790290), (65, 6476892), (69, 6101420), (78, 5397410), (92, 4576065), (93, 4526860), (115, 3660852), (124, 3395145), (130, 3238446), (138, 3050710), (155, 2716116), (156, 2698705), (186, 2263430), (195, 2158964), (230, 1830426), (260, 1619223), (276, 1525355), (299, 1408020), (310, 1358058), (345, 1220284), (372, 1131715), (390, 1079482), (403, 1044660), (460, 915213), (465, 905372), (598, 704010), (620, 679029), (690, 610142), (713, 590460), (757, 556140), (780, 539741), (806, 522330), (897, 469340), (930, 452686), (1196, 352005), (1209, 348220), (1380, 305071), (1426, 295230), (1495, 281604), (1514, 278070), (1612, 261165), (1794, 234670), (1860, 226343), (2015, 208932), (2139, 196820), (2271, 185380), (2418, 174110), (2852, 147615), (2990, 140802), (3028, 139035), (3565, 118092), (3588, 117335), (3785, 111228), (4030, 104466), (4278, 98410), (4485, 93868), (4542, 92690), (4836, 87055), (5980, 70401), (6045, 69644), (7130, 59046), (7570, 55614), (8060, 52233), (8556, 49205), (8970, 46934), (9084, 46345), (9269, 45420), (9841, 42780), (10695, 39364), (11355, 37076), (12090, 34822), (14260, 29523), (15140, 27807), (17411, 24180), (17940, 23467), (18538, 22710), (19682, 21390)]