78744120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7211}}^1$

素因数の和:7245

約数の個数: 128

約数和(自身を含む): 290787840

約数和(自身を除く): 212043720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7211, 10920, 14422, 21633, 28844, 36055, 43266, 50477, 57688, 72110, 86532, 93743, 100954, 108165, 144220, 151431, 173064, 187486, 201908, 216330, 252385, 281229, 288440, 302862, 374972, 403816, 432660, 468715, 504770, 562458, 605724, 656201, 749944, 757155, 865320, 937430, 1009540, 1124916, 1211448, 1312402, 1406145, 1514310, 1874860, 1968603, 2019080, 2249832, 2624804, 2812290, 3028620, 3281005, 3749720, 3937206, 5249608, 5624580, 6057240, 6562010, 7874412, 9843015, 11249160, 13124020, 15748824, 19686030, 26248040, 39372060, 78744120]

約数ペア:

[(1, 78744120), (2, 39372060), (3, 26248040), (4, 19686030), (5, 15748824), (6, 13124020), (7, 11249160), (8, 9843015), (10, 7874412), (12, 6562010), (13, 6057240), (14, 5624580), (15, 5249608), (20, 3937206), (21, 3749720), (24, 3281005), (26, 3028620), (28, 2812290), (30, 2624804), (35, 2249832), (39, 2019080), (40, 1968603), (42, 1874860), (52, 1514310), (56, 1406145), (60, 1312402), (65, 1211448), (70, 1124916), (78, 1009540), (84, 937430), (91, 865320), (104, 757155), (105, 749944), (120, 656201), (130, 605724), (140, 562458), (156, 504770), (168, 468715), (182, 432660), (195, 403816), (210, 374972), (260, 302862), (273, 288440), (280, 281229), (312, 252385), (364, 216330), (390, 201908), (420, 187486), (455, 173064), (520, 151431), (546, 144220), (728, 108165), (780, 100954), (840, 93743), (910, 86532), (1092, 72110), (1365, 57688), (1560, 50477), (1820, 43266), (2184, 36055), (2730, 28844), (3640, 21633), (5460, 14422), (7211, 10920)]