179996880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5681

約数の個数: 160

約数和(自身を含む): 671385600

約数和(自身を除く): 491388720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 5639, 6384, 7980, 10640, 11278, 15960, 16917, 22556, 28195, 31920, 33834, 39473, 45112, 56390, 67668, 78946, 84585, 90224, 107141, 112780, 118419, 135336, 157892, 169170, 197365, 214282, 225560, 236838, 270672, 315784, 321423, 338340, 394730, 428564, 451120, 473676, 535705, 592095, 631568, 642846, 676680, 749987, 789460, 857128, 947352, 1071410, 1184190, 1285692, 1353360, 1499974, 1578920, 1607115, 1714256, 1894704, 2142820, 2249961, 2368380, 2571384, 2999948, 3157840, 3214230, 3749935, 4285640, 4499922, 4736760, 5142768, 5999896, 6428460, 7499870, 8571280, 8999844, 9473520, 11249805, 11999792, 12856920, 14999740, 17999688, 22499610, 25713840, 29999480, 35999376, 44999220, 59998960, 89998440, 179996880]

約数ペア:

[(1, 179996880), (2, 89998440), (3, 59998960), (4, 44999220), (5, 35999376), (6, 29999480), (7, 25713840), (8, 22499610), (10, 17999688), (12, 14999740), (14, 12856920), (15, 11999792), (16, 11249805), (19, 9473520), (20, 8999844), (21, 8571280), (24, 7499870), (28, 6428460), (30, 5999896), (35, 5142768), (38, 4736760), (40, 4499922), (42, 4285640), (48, 3749935), (56, 3214230), (57, 3157840), (60, 2999948), (70, 2571384), (76, 2368380), (80, 2249961), (84, 2142820), (95, 1894704), (105, 1714256), (112, 1607115), (114, 1578920), (120, 1499974), (133, 1353360), (140, 1285692), (152, 1184190), (168, 1071410), (190, 947352), (210, 857128), (228, 789460), (240, 749987), (266, 676680), (280, 642846), (285, 631568), (304, 592095), (336, 535705), (380, 473676), (399, 451120), (420, 428564), (456, 394730), (532, 338340), (560, 321423), (570, 315784), (665, 270672), (760, 236838), (798, 225560), (840, 214282), (912, 197365), (1064, 169170), (1140, 157892), (1330, 135336), (1520, 118419), (1596, 112780), (1680, 107141), (1995, 90224), (2128, 84585), (2280, 78946), (2660, 67668), (3192, 56390), (3990, 45112), (4560, 39473), (5320, 33834), (5639, 31920), (6384, 28195), (7980, 22556), (10640, 16917), (11278, 15960)]