15620280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 256

約数和(自身を含む): 58060800

約数和(自身を除く): 42440520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 19, 20, 24, 26, 30, 31, 34, 38, 39, 40, 51, 52, 57, 60, 62, 65, 68, 76, 78, 85, 93, 95, 102, 104, 114, 120, 124, 130, 136, 152, 155, 156, 170, 186, 190, 195, 204, 221, 228, 247, 248, 255, 260, 285, 310, 312, 323, 340, 372, 380, 390, 403, 408, 442, 456, 465, 494, 510, 520, 527, 570, 589, 620, 646, 663, 680, 741, 744, 760, 780, 806, 884, 930, 969, 988, 1020, 1054, 1105, 1140, 1178, 1209, 1235, 1240, 1292, 1326, 1482, 1560, 1581, 1612, 1615, 1767, 1768, 1860, 1938, 1976, 2015, 2040, 2108, 2210, 2280, 2356, 2418, 2470, 2584, 2635, 2652, 2945, 2964, 3162, 3224, 3230, 3315, 3534, 3705, 3720, 3876, 4030, 4199, 4216, 4420, 4712, 4836, 4845, 4940, 5270, 5304, 5890, 5928, 6045, 6324, 6460, 6630, 6851, 7068, 7410, 7657, 7752, 7905, 8060, 8398, 8835, 8840, 9672, 9690, 9880, 10013, 10540, 11780, 12090, 12597, 12648, 12920, 13260, 13702, 14136, 14820, 15314, 15810, 16120, 16796, 17670, 19380, 20026, 20553, 20995, 21080, 22971, 23560, 24180, 25194, 26520, 27404, 29640, 30039, 30628, 31620, 33592, 34255, 35340, 38285, 38760, 40052, 41106, 41990, 45942, 48360, 50065, 50388, 54808, 60078, 61256, 62985, 63240, 68510, 70680, 76570, 80104, 82212, 83980, 91884, 100130, 100776, 102765, 114855, 120156, 125970, 130169, 137020, 150195, 153140, 164424, 167960, 183768, 200260, 205530, 229710, 240312, 251940, 260338, 274040, 300390, 306280, 390507, 400520, 411060, 459420, 503880, 520676, 600780, 650845, 781014, 822120, 918840, 1041352, 1201560, 1301690, 1562028, 1952535, 2603380, 3124056, 3905070, 5206760, 7810140, 15620280]

約数ペア:

[(1, 15620280), (2, 7810140), (3, 5206760), (4, 3905070), (5, 3124056), (6, 2603380), (8, 1952535), (10, 1562028), (12, 1301690), (13, 1201560), (15, 1041352), (17, 918840), (19, 822120), (20, 781014), (24, 650845), (26, 600780), (30, 520676), (31, 503880), (34, 459420), (38, 411060), (39, 400520), (40, 390507), (51, 306280), (52, 300390), (57, 274040), (60, 260338), (62, 251940), (65, 240312), (68, 229710), (76, 205530), (78, 200260), (85, 183768), (93, 167960), (95, 164424), (102, 153140), (104, 150195), (114, 137020), (120, 130169), (124, 125970), (130, 120156), (136, 114855), (152, 102765), (155, 100776), (156, 100130), (170, 91884), (186, 83980), (190, 82212), (195, 80104), (204, 76570), (221, 70680), (228, 68510), (247, 63240), (248, 62985), (255, 61256), (260, 60078), (285, 54808), (310, 50388), (312, 50065), (323, 48360), (340, 45942), (372, 41990), (380, 41106), (390, 40052), (403, 38760), (408, 38285), (442, 35340), (456, 34255), (465, 33592), (494, 31620), (510, 30628), (520, 30039), (527, 29640), (570, 27404), (589, 26520), (620, 25194), (646, 24180), (663, 23560), (680, 22971), (741, 21080), (744, 20995), (760, 20553), (780, 20026), (806, 19380), (884, 17670), (930, 16796), (969, 16120), (988, 15810), (1020, 15314), (1054, 14820), (1105, 14136), (1140, 13702), (1178, 13260), (1209, 12920), (1235, 12648), (1240, 12597), (1292, 12090), (1326, 11780), (1482, 10540), (1560, 10013), (1581, 9880), (1612, 9690), (1615, 9672), (1767, 8840), (1768, 8835), (1860, 8398), (1938, 8060), (1976, 7905), (2015, 7752), (2040, 7657), (2108, 7410), (2210, 7068), (2280, 6851), (2356, 6630), (2418, 6460), (2470, 6324), (2584, 6045), (2635, 5928), (2652, 5890), (2945, 5304), (2964, 5270), (3162, 4940), (3224, 4845), (3230, 4836), (3315, 4712), (3534, 4420), (3705, 4216), (3720, 4199), (3876, 4030)]