254331720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 192

約数和(自身を含む): 880963200

約数和(自身を除く): 626631480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 103, 114, 120, 152, 171, 180, 190, 206, 228, 285, 309, 342, 360, 361, 380, 412, 456, 515, 570, 618, 684, 722, 760, 824, 855, 927, 1030, 1083, 1140, 1236, 1368, 1444, 1545, 1710, 1805, 1854, 1957, 2060, 2166, 2280, 2472, 2888, 3090, 3249, 3420, 3610, 3708, 3914, 4120, 4332, 4635, 5415, 5871, 6180, 6498, 6840, 6859, 7220, 7416, 7828, 8664, 9270, 9785, 10830, 11742, 12360, 12996, 13718, 14440, 15656, 16245, 17613, 18540, 19570, 20577, 21660, 23484, 25992, 27436, 29355, 32490, 34295, 35226, 37080, 37183, 39140, 41154, 43320, 46968, 54872, 58710, 61731, 64980, 68590, 70452, 74366, 78280, 82308, 88065, 102885, 111549, 117420, 123462, 129960, 137180, 140904, 148732, 164616, 176130, 185915, 205770, 223098, 234840, 246924, 274360, 297464, 308655, 334647, 352260, 371830, 411540, 446196, 493848, 557745, 617310, 669294, 704520, 706477, 743660, 823080, 892392, 1115490, 1234620, 1338588, 1412954, 1487320, 1673235, 2119431, 2230980, 2469240, 2677176, 2825908, 3346470, 3532385, 4238862, 4461960, 5651816, 6358293, 6692940, 7064770, 8477724, 10597155, 12716586, 13385880, 14129540, 16955448, 21194310, 25433172, 28259080, 31791465, 42388620, 50866344, 63582930, 84777240, 127165860, 254331720]

約数ペア:

[(1, 254331720), (2, 127165860), (3, 84777240), (4, 63582930), (5, 50866344), (6, 42388620), (8, 31791465), (9, 28259080), (10, 25433172), (12, 21194310), (15, 16955448), (18, 14129540), (19, 13385880), (20, 12716586), (24, 10597155), (30, 8477724), (36, 7064770), (38, 6692940), (40, 6358293), (45, 5651816), (57, 4461960), (60, 4238862), (72, 3532385), (76, 3346470), (90, 2825908), (95, 2677176), (103, 2469240), (114, 2230980), (120, 2119431), (152, 1673235), (171, 1487320), (180, 1412954), (190, 1338588), (206, 1234620), (228, 1115490), (285, 892392), (309, 823080), (342, 743660), (360, 706477), (361, 704520), (380, 669294), (412, 617310), (456, 557745), (515, 493848), (570, 446196), (618, 411540), (684, 371830), (722, 352260), (760, 334647), (824, 308655), (855, 297464), (927, 274360), (1030, 246924), (1083, 234840), (1140, 223098), (1236, 205770), (1368, 185915), (1444, 176130), (1545, 164616), (1710, 148732), (1805, 140904), (1854, 137180), (1957, 129960), (2060, 123462), (2166, 117420), (2280, 111549), (2472, 102885), (2888, 88065), (3090, 82308), (3249, 78280), (3420, 74366), (3610, 70452), (3708, 68590), (3914, 64980), (4120, 61731), (4332, 58710), (4635, 54872), (5415, 46968), (5871, 43320), (6180, 41154), (6498, 39140), (6840, 37183), (6859, 37080), (7220, 35226), (7416, 34295), (7828, 32490), (8664, 29355), (9270, 27436), (9785, 25992), (10830, 23484), (11742, 21660), (12360, 20577), (12996, 19570), (13718, 18540), (14440, 17613), (15656, 16245)]