308117680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:579

約数の個数: 160

約数和(自身を含む): 839946240

約数和(自身を除く): 531828560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 380, 403, 494, 496, 503, 520, 589, 620, 760, 806, 988, 1006, 1040, 1178, 1235, 1240, 1520, 1612, 1976, 2012, 2015, 2356, 2470, 2480, 2515, 2945, 3224, 3952, 4024, 4030, 4712, 4940, 5030, 5890, 6448, 6539, 7657, 8048, 8060, 9424, 9557, 9880, 10060, 11780, 13078, 15314, 15593, 16120, 19114, 19760, 20120, 23560, 26156, 30628, 31186, 32240, 32695, 38228, 38285, 40240, 47120, 47785, 52312, 61256, 62372, 65390, 76456, 76570, 77965, 95570, 104624, 122512, 124241, 124744, 130780, 152912, 153140, 155930, 191140, 202709, 248482, 249488, 261560, 296267, 306280, 311860, 382280, 405418, 496964, 523120, 592534, 612560, 621205, 623720, 764560, 810836, 993928, 1013545, 1185068, 1242410, 1247440, 1481335, 1621672, 1987856, 2027090, 2370136, 2484820, 2962670, 3243344, 3851471, 4054180, 4740272, 4969640, 5925340, 7702942, 8108360, 9939280, 11850680, 15405884, 16216720, 19257355, 23701360, 30811768, 38514710, 61623536, 77029420, 154058840, 308117680]

約数ペア:

[(1, 308117680), (2, 154058840), (4, 77029420), (5, 61623536), (8, 38514710), (10, 30811768), (13, 23701360), (16, 19257355), (19, 16216720), (20, 15405884), (26, 11850680), (31, 9939280), (38, 8108360), (40, 7702942), (52, 5925340), (62, 4969640), (65, 4740272), (76, 4054180), (80, 3851471), (95, 3243344), (104, 2962670), (124, 2484820), (130, 2370136), (152, 2027090), (155, 1987856), (190, 1621672), (208, 1481335), (247, 1247440), (248, 1242410), (260, 1185068), (304, 1013545), (310, 993928), (380, 810836), (403, 764560), (494, 623720), (496, 621205), (503, 612560), (520, 592534), (589, 523120), (620, 496964), (760, 405418), (806, 382280), (988, 311860), (1006, 306280), (1040, 296267), (1178, 261560), (1235, 249488), (1240, 248482), (1520, 202709), (1612, 191140), (1976, 155930), (2012, 153140), (2015, 152912), (2356, 130780), (2470, 124744), (2480, 124241), (2515, 122512), (2945, 104624), (3224, 95570), (3952, 77965), (4024, 76570), (4030, 76456), (4712, 65390), (4940, 62372), (5030, 61256), (5890, 52312), (6448, 47785), (6539, 47120), (7657, 40240), (8048, 38285), (8060, 38228), (9424, 32695), (9557, 32240), (9880, 31186), (10060, 30628), (11780, 26156), (13078, 23560), (15314, 20120), (15593, 19760), (16120, 19114)]