259996380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1120

約数の個数: 192

約数和(自身を含む): 904888320

約数和(自身を除く): 644891940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 124, 133, 140, 155, 186, 190, 210, 217, 228, 266, 285, 310, 372, 380, 399, 420, 434, 465, 532, 570, 589, 620, 651, 665, 798, 868, 930, 1051, 1085, 1140, 1178, 1302, 1330, 1596, 1767, 1860, 1995, 2102, 2170, 2356, 2604, 2660, 2945, 3153, 3255, 3534, 3990, 4123, 4204, 4340, 5255, 5890, 6306, 6510, 7068, 7357, 7980, 8246, 8835, 10510, 11780, 12369, 12612, 13020, 14714, 15765, 16492, 17670, 19969, 20615, 21020, 22071, 24738, 29428, 31530, 32581, 35340, 36785, 39938, 41230, 44142, 49476, 59907, 61845, 63060, 65162, 73570, 79876, 82460, 88284, 97743, 99845, 110355, 119814, 123690, 130324, 139783, 147140, 162905, 195486, 199690, 220710, 228067, 239628, 247380, 279566, 299535, 325810, 390972, 399380, 419349, 441420, 456134, 488715, 559132, 599070, 619039, 651620, 684201, 698915, 838698, 912268, 977430, 1140335, 1198140, 1238078, 1368402, 1397830, 1677396, 1857117, 1954860, 2096745, 2280670, 2476156, 2736804, 2795660, 3095195, 3421005, 3714234, 4193490, 4333273, 4561340, 6190390, 6842010, 7428468, 8386980, 8666546, 9285585, 12380780, 12999819, 13684020, 17333092, 18571170, 21666365, 25999638, 37142340, 43332730, 51999276, 64999095, 86665460, 129998190, 259996380]

約数ペア:

[(1, 259996380), (2, 129998190), (3, 86665460), (4, 64999095), (5, 51999276), (6, 43332730), (7, 37142340), (10, 25999638), (12, 21666365), (14, 18571170), (15, 17333092), (19, 13684020), (20, 12999819), (21, 12380780), (28, 9285585), (30, 8666546), (31, 8386980), (35, 7428468), (38, 6842010), (42, 6190390), (57, 4561340), (60, 4333273), (62, 4193490), (70, 3714234), (76, 3421005), (84, 3095195), (93, 2795660), (95, 2736804), (105, 2476156), (114, 2280670), (124, 2096745), (133, 1954860), (140, 1857117), (155, 1677396), (186, 1397830), (190, 1368402), (210, 1238078), (217, 1198140), (228, 1140335), (266, 977430), (285, 912268), (310, 838698), (372, 698915), (380, 684201), (399, 651620), (420, 619039), (434, 599070), (465, 559132), (532, 488715), (570, 456134), (589, 441420), (620, 419349), (651, 399380), (665, 390972), (798, 325810), (868, 299535), (930, 279566), (1051, 247380), (1085, 239628), (1140, 228067), (1178, 220710), (1302, 199690), (1330, 195486), (1596, 162905), (1767, 147140), (1860, 139783), (1995, 130324), (2102, 123690), (2170, 119814), (2356, 110355), (2604, 99845), (2660, 97743), (2945, 88284), (3153, 82460), (3255, 79876), (3534, 73570), (3990, 65162), (4123, 63060), (4204, 61845), (4340, 59907), (5255, 49476), (5890, 44142), (6306, 41230), (6510, 39938), (7068, 36785), (7357, 35340), (7980, 32581), (8246, 31530), (8835, 29428), (10510, 24738), (11780, 22071), (12369, 21020), (12612, 20615), (13020, 19969), (14714, 17670), (15765, 16492)]