128972760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8081}}^1$

素因数の和:8121

約数の個数: 128

約数和(自身を含む): 465523200

約数和(自身を除く): 336550440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 8081, 15960, 16162, 24243, 32324, 40405, 48486, 56567, 64648, 80810, 96972, 113134, 121215, 153539, 161620, 169701, 193944, 226268, 242430, 282835, 307078, 323240, 339402, 452536, 460617, 484860, 565670, 614156, 678804, 767695, 848505, 921234, 969720, 1074773, 1131340, 1228312, 1357608, 1535390, 1697010, 1842468, 2149546, 2262680, 2303085, 3070780, 3224319, 3394020, 3684936, 4299092, 4606170, 5373865, 6141560, 6448638, 6788040, 8598184, 9212340, 10747730, 12897276, 16121595, 18424680, 21495460, 25794552, 32243190, 42990920, 64486380, 128972760]

約数ペア:

[(1, 128972760), (2, 64486380), (3, 42990920), (4, 32243190), (5, 25794552), (6, 21495460), (7, 18424680), (8, 16121595), (10, 12897276), (12, 10747730), (14, 9212340), (15, 8598184), (19, 6788040), (20, 6448638), (21, 6141560), (24, 5373865), (28, 4606170), (30, 4299092), (35, 3684936), (38, 3394020), (40, 3224319), (42, 3070780), (56, 2303085), (57, 2262680), (60, 2149546), (70, 1842468), (76, 1697010), (84, 1535390), (95, 1357608), (105, 1228312), (114, 1131340), (120, 1074773), (133, 969720), (140, 921234), (152, 848505), (168, 767695), (190, 678804), (210, 614156), (228, 565670), (266, 484860), (280, 460617), (285, 452536), (380, 339402), (399, 323240), (420, 307078), (456, 282835), (532, 242430), (570, 226268), (665, 193944), (760, 169701), (798, 161620), (840, 153539), (1064, 121215), (1140, 113134), (1330, 96972), (1596, 80810), (1995, 64648), (2280, 56567), (2660, 48486), (3192, 40405), (3990, 32324), (5320, 24243), (7980, 16162), (8081, 15960)]