278307120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12743}}^1$

素因数の和:12779

約数の個数: 160

約数和(自身を含む): 1061932032

約数和(自身を除く): 783624912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 12743, 21840, 25486, 38229, 50972, 63715, 76458, 89201, 101944, 127430, 152916, 165659, 178402, 191145, 203888, 254860, 267603, 305832, 331318, 356804, 382290, 446005, 496977, 509720, 535206, 611664, 662636, 713608, 764580, 828295, 892010, 993954, 1019440, 1070412, 1159613, 1325272, 1338015, 1427216, 1529160, 1656590, 1784020, 1987908, 2140824, 2319226, 2484885, 2650544, 2676030, 3058320, 3313180, 3478839, 3568040, 3975816, 4281648, 4638452, 4969770, 5352060, 5798065, 6626360, 6957678, 7136080, 7951632, 9276904, 9939540, 10704120, 11596130, 13252720, 13915356, 17394195, 18553808, 19879080, 21408240, 23192260, 27830712, 34788390, 39758160, 46384520, 55661424, 69576780, 92769040, 139153560, 278307120]

約数ペア:

[(1, 278307120), (2, 139153560), (3, 92769040), (4, 69576780), (5, 55661424), (6, 46384520), (7, 39758160), (8, 34788390), (10, 27830712), (12, 23192260), (13, 21408240), (14, 19879080), (15, 18553808), (16, 17394195), (20, 13915356), (21, 13252720), (24, 11596130), (26, 10704120), (28, 9939540), (30, 9276904), (35, 7951632), (39, 7136080), (40, 6957678), (42, 6626360), (48, 5798065), (52, 5352060), (56, 4969770), (60, 4638452), (65, 4281648), (70, 3975816), (78, 3568040), (80, 3478839), (84, 3313180), (91, 3058320), (104, 2676030), (105, 2650544), (112, 2484885), (120, 2319226), (130, 2140824), (140, 1987908), (156, 1784020), (168, 1656590), (182, 1529160), (195, 1427216), (208, 1338015), (210, 1325272), (240, 1159613), (260, 1070412), (273, 1019440), (280, 993954), (312, 892010), (336, 828295), (364, 764580), (390, 713608), (420, 662636), (455, 611664), (520, 535206), (546, 509720), (560, 496977), (624, 446005), (728, 382290), (780, 356804), (840, 331318), (910, 305832), (1040, 267603), (1092, 254860), (1365, 203888), (1456, 191145), (1560, 178402), (1680, 165659), (1820, 152916), (2184, 127430), (2730, 101944), (3120, 89201), (3640, 76458), (4368, 63715), (5460, 50972), (7280, 38229), (10920, 25486), (12743, 21840)]