720293490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18743}}^1$

素因数の和:18824

約数の個数: 96

約数和(自身を含む): 2175503616

約数和(自身を除く): 1455210126

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 610, 630, 854, 915, 1098, 1281, 1830, 2135, 2562, 2745, 3843, 4270, 5490, 6405, 7686, 12810, 18743, 19215, 37486, 38430, 56229, 93715, 112458, 131201, 168687, 187430, 262402, 281145, 337374, 393603, 562290, 656005, 787206, 843435, 1143323, 1180809, 1312010, 1686870, 1968015, 2286646, 2361618, 3429969, 3936030, 5716615, 5904045, 6859938, 8003261, 10289907, 11433230, 11808090, 16006522, 17149845, 20579814, 24009783, 34299690, 40016305, 48019566, 51449535, 72029349, 80032610, 102899070, 120048915, 144058698, 240097830, 360146745, 720293490]

約数ペア:

[(1, 720293490), (2, 360146745), (3, 240097830), (5, 144058698), (6, 120048915), (7, 102899070), (9, 80032610), (10, 72029349), (14, 51449535), (15, 48019566), (18, 40016305), (21, 34299690), (30, 24009783), (35, 20579814), (42, 17149845), (45, 16006522), (61, 11808090), (63, 11433230), (70, 10289907), (90, 8003261), (105, 6859938), (122, 5904045), (126, 5716615), (183, 3936030), (210, 3429969), (305, 2361618), (315, 2286646), (366, 1968015), (427, 1686870), (549, 1312010), (610, 1180809), (630, 1143323), (854, 843435), (915, 787206), (1098, 656005), (1281, 562290), (1830, 393603), (2135, 337374), (2562, 281145), (2745, 262402), (3843, 187430), (4270, 168687), (5490, 131201), (6405, 112458), (7686, 93715), (12810, 56229), (18743, 38430), (19215, 37486)]