15885480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 38546520

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, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 599, 663, 680, 780, 884, 1020, 1105, 1198, 1326, 1560, 1768, 1797, 2040, 2210, 2396, 2652, 2995, 3315, 3594, 4420, 4792, 5304, 5990, 6630, 7188, 7787, 8840, 8985, 10183, 11980, 13260, 14376, 15574, 17970, 20366, 23361, 23960, 26520, 30549, 31148, 35940, 38935, 40732, 46722, 50915, 61098, 62296, 71880, 77870, 81464, 93444, 101830, 116805, 122196, 132379, 152745, 155740, 186888, 203660, 233610, 244392, 264758, 305490, 311480, 397137, 407320, 467220, 529516, 610980, 661895, 794274, 934440, 1059032, 1221960, 1323790, 1588548, 1985685, 2647580, 3177096, 3971370, 5295160, 7942740, 15885480]

約数ペア:

[(1, 15885480), (2, 7942740), (3, 5295160), (4, 3971370), (5, 3177096), (6, 2647580), (8, 1985685), (10, 1588548), (12, 1323790), (13, 1221960), (15, 1059032), (17, 934440), (20, 794274), (24, 661895), (26, 610980), (30, 529516), (34, 467220), (39, 407320), (40, 397137), (51, 311480), (52, 305490), (60, 264758), (65, 244392), (68, 233610), (78, 203660), (85, 186888), (102, 155740), (104, 152745), (120, 132379), (130, 122196), (136, 116805), (156, 101830), (170, 93444), (195, 81464), (204, 77870), (221, 71880), (255, 62296), (260, 61098), (312, 50915), (340, 46722), (390, 40732), (408, 38935), (442, 35940), (510, 31148), (520, 30549), (599, 26520), (663, 23960), (680, 23361), (780, 20366), (884, 17970), (1020, 15574), (1105, 14376), (1198, 13260), (1326, 11980), (1560, 10183), (1768, 8985), (1797, 8840), (2040, 7787), (2210, 7188), (2396, 6630), (2652, 5990), (2995, 5304), (3315, 4792), (3594, 4420)]