252321720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2293}}^1$

素因数の和:2445

約数の個数: 128

約数和(自身を含む): 872087040

約数和(自身を除く): 619765320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1310, 1572, 1834, 1965, 2293, 2620, 2751, 3144, 3668, 3930, 4585, 4586, 5240, 5502, 6879, 7336, 7860, 9170, 9172, 11004, 11465, 13755, 13758, 15720, 16051, 18340, 18344, 22008, 22930, 27510, 27516, 32102, 34395, 36680, 45860, 48153, 55020, 55032, 64204, 68790, 80255, 91720, 96306, 110040, 128408, 137580, 160510, 192612, 240765, 275160, 300383, 321020, 385224, 481530, 600766, 642040, 901149, 963060, 1201532, 1501915, 1802298, 1926120, 2102681, 2403064, 3003830, 3604596, 4205362, 4505745, 6007660, 6308043, 7209192, 8410724, 9011490, 10513405, 12015320, 12616086, 16821448, 18022980, 21026810, 25232172, 31540215, 36045960, 42053620, 50464344, 63080430, 84107240, 126160860, 252321720]

約数ペア:

[(1, 252321720), (2, 126160860), (3, 84107240), (4, 63080430), (5, 50464344), (6, 42053620), (7, 36045960), (8, 31540215), (10, 25232172), (12, 21026810), (14, 18022980), (15, 16821448), (20, 12616086), (21, 12015320), (24, 10513405), (28, 9011490), (30, 8410724), (35, 7209192), (40, 6308043), (42, 6007660), (56, 4505745), (60, 4205362), (70, 3604596), (84, 3003830), (105, 2403064), (120, 2102681), (131, 1926120), (140, 1802298), (168, 1501915), (210, 1201532), (262, 963060), (280, 901149), (393, 642040), (420, 600766), (524, 481530), (655, 385224), (786, 321020), (840, 300383), (917, 275160), (1048, 240765), (1310, 192612), (1572, 160510), (1834, 137580), (1965, 128408), (2293, 110040), (2620, 96306), (2751, 91720), (3144, 80255), (3668, 68790), (3930, 64204), (4585, 55032), (4586, 55020), (5240, 48153), (5502, 45860), (6879, 36680), (7336, 34395), (7860, 32102), (9170, 27516), (9172, 27510), (11004, 22930), (11465, 22008), (13755, 18344), (13758, 18340), (15720, 16051)]