64728930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 187416576

約数和(自身を除く): 122687646

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 61, 62, 70, 93, 105, 122, 155, 163, 183, 186, 210, 217, 305, 310, 326, 366, 427, 434, 465, 489, 610, 651, 815, 854, 915, 930, 978, 1085, 1141, 1281, 1302, 1630, 1830, 1891, 2135, 2170, 2282, 2445, 2562, 3255, 3423, 3782, 4270, 4890, 5053, 5673, 5705, 6405, 6510, 6846, 9455, 9943, 10106, 11346, 11410, 12810, 13237, 15159, 17115, 18910, 19886, 25265, 26474, 28365, 29829, 30318, 34230, 35371, 39711, 49715, 50530, 56730, 59658, 66185, 69601, 70742, 75795, 79422, 99430, 106113, 132370, 139202, 149145, 151590, 176855, 198555, 208803, 212226, 298290, 308233, 348005, 353710, 397110, 417606, 530565, 616466, 696010, 924699, 1044015, 1061130, 1541165, 1849398, 2088030, 2157631, 3082330, 4315262, 4623495, 6472893, 9246990, 10788155, 12945786, 21576310, 32364465, 64728930]

約数ペア:

[(1, 64728930), (2, 32364465), (3, 21576310), (5, 12945786), (6, 10788155), (7, 9246990), (10, 6472893), (14, 4623495), (15, 4315262), (21, 3082330), (30, 2157631), (31, 2088030), (35, 1849398), (42, 1541165), (61, 1061130), (62, 1044015), (70, 924699), (93, 696010), (105, 616466), (122, 530565), (155, 417606), (163, 397110), (183, 353710), (186, 348005), (210, 308233), (217, 298290), (305, 212226), (310, 208803), (326, 198555), (366, 176855), (427, 151590), (434, 149145), (465, 139202), (489, 132370), (610, 106113), (651, 99430), (815, 79422), (854, 75795), (915, 70742), (930, 69601), (978, 66185), (1085, 59658), (1141, 56730), (1281, 50530), (1302, 49715), (1630, 39711), (1830, 35371), (1891, 34230), (2135, 30318), (2170, 29829), (2282, 28365), (2445, 26474), (2562, 25265), (3255, 19886), (3423, 18910), (3782, 17115), (4270, 15159), (4890, 13237), (5053, 12810), (5673, 11410), (5705, 11346), (6405, 10106), (6510, 9943), (6846, 9455)]