289493880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9767}}^1$

素因数の和:9813

約数の個数: 128

約数和(自身を含む): 984614400

約数和(自身を除く): 695120520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9767, 9880, 14820, 19534, 29301, 29640, 39068, 48835, 58602, 78136, 97670, 117204, 126971, 146505, 185573, 195340, 234408, 253942, 293010, 371146, 380913, 390680, 507884, 556719, 586020, 634855, 742292, 761826, 927865, 1015768, 1113438, 1172040, 1269710, 1484584, 1523652, 1855730, 1904565, 2226876, 2412449, 2539420, 2783595, 3047304, 3711460, 3809130, 4453752, 4824898, 5078840, 5567190, 7237347, 7422920, 7618260, 9649796, 11134380, 12062245, 14474694, 15236520, 19299592, 22268760, 24124490, 28949388, 36186735, 48248980, 57898776, 72373470, 96497960, 144746940, 289493880]

約数ペア:

[(1, 289493880), (2, 144746940), (3, 96497960), (4, 72373470), (5, 57898776), (6, 48248980), (8, 36186735), (10, 28949388), (12, 24124490), (13, 22268760), (15, 19299592), (19, 15236520), (20, 14474694), (24, 12062245), (26, 11134380), (30, 9649796), (38, 7618260), (39, 7422920), (40, 7237347), (52, 5567190), (57, 5078840), (60, 4824898), (65, 4453752), (76, 3809130), (78, 3711460), (95, 3047304), (104, 2783595), (114, 2539420), (120, 2412449), (130, 2226876), (152, 1904565), (156, 1855730), (190, 1523652), (195, 1484584), (228, 1269710), (247, 1172040), (260, 1113438), (285, 1015768), (312, 927865), (380, 761826), (390, 742292), (456, 634855), (494, 586020), (520, 556719), (570, 507884), (741, 390680), (760, 380913), (780, 371146), (988, 293010), (1140, 253942), (1235, 234408), (1482, 195340), (1560, 185573), (1976, 146505), (2280, 126971), (2470, 117204), (2964, 97670), (3705, 78136), (4940, 58602), (5928, 48835), (7410, 39068), (9767, 29640), (9880, 29301), (14820, 19534)]