420527640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 256

約数和(自身を含む): 1462043520

約数和(自身を除く): 1041515880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 101, 102, 104, 120, 130, 136, 156, 157, 170, 195, 202, 204, 221, 255, 260, 303, 312, 314, 340, 390, 404, 408, 442, 471, 505, 510, 520, 606, 628, 663, 680, 780, 785, 808, 884, 942, 1010, 1020, 1105, 1212, 1256, 1313, 1326, 1515, 1560, 1570, 1717, 1768, 1884, 2020, 2040, 2041, 2210, 2355, 2424, 2626, 2652, 2669, 3030, 3140, 3315, 3434, 3768, 3939, 4040, 4082, 4420, 4710, 5151, 5252, 5304, 5338, 6060, 6123, 6280, 6565, 6630, 6868, 7878, 8007, 8164, 8585, 8840, 9420, 10205, 10302, 10504, 10676, 12120, 12246, 13130, 13260, 13345, 13736, 15756, 15857, 16014, 16328, 17170, 18840, 19695, 20410, 20604, 21352, 22321, 24492, 25755, 26260, 26520, 26690, 30615, 31512, 31714, 32028, 34340, 34697, 39390, 40035, 40820, 41208, 44642, 47571, 48984, 51510, 52520, 53380, 61230, 63428, 64056, 66963, 68680, 69394, 78780, 79285, 80070, 81640, 89284, 95142, 103020, 104091, 106760, 111605, 122460, 126856, 133926, 138788, 157560, 158570, 160140, 173485, 178568, 190284, 206040, 206141, 208182, 223210, 237855, 244920, 267852, 269569, 277576, 317140, 320280, 334815, 346970, 380568, 412282, 416364, 446420, 475710, 520455, 535704, 539138, 618423, 634280, 669630, 693940, 808707, 824564, 832728, 892840, 951420, 1030705, 1040910, 1078276, 1236846, 1339260, 1347845, 1387880, 1617414, 1649128, 1902840, 2061410, 2081820, 2156552, 2473692, 2678520, 2695690, 3092115, 3234828, 3504397, 4043535, 4122820, 4163640, 4947384, 5391380, 6184230, 6469656, 7008794, 8087070, 8245640, 10513191, 10782760, 12368460, 14017588, 16174140, 17521985, 21026382, 24736920, 28035176, 32348280, 35043970, 42052764, 52565955, 70087940, 84105528, 105131910, 140175880, 210263820, 420527640]

約数ペア:

[(1, 420527640), (2, 210263820), (3, 140175880), (4, 105131910), (5, 84105528), (6, 70087940), (8, 52565955), (10, 42052764), (12, 35043970), (13, 32348280), (15, 28035176), (17, 24736920), (20, 21026382), (24, 17521985), (26, 16174140), (30, 14017588), (34, 12368460), (39, 10782760), (40, 10513191), (51, 8245640), (52, 8087070), (60, 7008794), (65, 6469656), (68, 6184230), (78, 5391380), (85, 4947384), (101, 4163640), (102, 4122820), (104, 4043535), (120, 3504397), (130, 3234828), (136, 3092115), (156, 2695690), (157, 2678520), (170, 2473692), (195, 2156552), (202, 2081820), (204, 2061410), (221, 1902840), (255, 1649128), (260, 1617414), (303, 1387880), (312, 1347845), (314, 1339260), (340, 1236846), (390, 1078276), (404, 1040910), (408, 1030705), (442, 951420), (471, 892840), (505, 832728), (510, 824564), (520, 808707), (606, 693940), (628, 669630), (663, 634280), (680, 618423), (780, 539138), (785, 535704), (808, 520455), (884, 475710), (942, 446420), (1010, 416364), (1020, 412282), (1105, 380568), (1212, 346970), (1256, 334815), (1313, 320280), (1326, 317140), (1515, 277576), (1560, 269569), (1570, 267852), (1717, 244920), (1768, 237855), (1884, 223210), (2020, 208182), (2040, 206141), (2041, 206040), (2210, 190284), (2355, 178568), (2424, 173485), (2626, 160140), (2652, 158570), (2669, 157560), (3030, 138788), (3140, 133926), (3315, 126856), (3434, 122460), (3768, 111605), (3939, 106760), (4040, 104091), (4082, 103020), (4420, 95142), (4710, 89284), (5151, 81640), (5252, 80070), (5304, 79285), (5338, 78780), (6060, 69394), (6123, 68680), (6280, 66963), (6565, 64056), (6630, 63428), (6868, 61230), (7878, 53380), (8007, 52520), (8164, 51510), (8585, 48984), (8840, 47571), (9420, 44642), (10205, 41208), (10302, 40820), (10504, 40035), (10676, 39390), (12120, 34697), (12246, 34340), (13130, 32028), (13260, 31714), (13345, 31512), (13736, 30615), (15756, 26690), (15857, 26520), (16014, 26260), (16328, 25755), (17170, 24492), (18840, 22321), (19695, 21352), (20410, 20604)]