72005640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3727}}^1$

素因数の和:3771

約数の個数: 128

約数和(自身を含む): 257679360

約数和(自身を除く): 185673720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3727, 3864, 4830, 6440, 7454, 9660, 11181, 14908, 18635, 19320, 22362, 26089, 29816, 37270, 44724, 52178, 55905, 74540, 78267, 85721, 89448, 104356, 111810, 130445, 149080, 156534, 171442, 208712, 223620, 257163, 260890, 313068, 342884, 391335, 428605, 447240, 514326, 521780, 600047, 626136, 685768, 782670, 857210, 1028652, 1043560, 1200094, 1285815, 1565340, 1714420, 1800141, 2057304, 2400188, 2571630, 3000235, 3130680, 3428840, 3600282, 4800376, 5143260, 6000470, 7200564, 9000705, 10286520, 12000940, 14401128, 18001410, 24001880, 36002820, 72005640]

約数ペア:

[(1, 72005640), (2, 36002820), (3, 24001880), (4, 18001410), (5, 14401128), (6, 12000940), (7, 10286520), (8, 9000705), (10, 7200564), (12, 6000470), (14, 5143260), (15, 4800376), (20, 3600282), (21, 3428840), (23, 3130680), (24, 3000235), (28, 2571630), (30, 2400188), (35, 2057304), (40, 1800141), (42, 1714420), (46, 1565340), (56, 1285815), (60, 1200094), (69, 1043560), (70, 1028652), (84, 857210), (92, 782670), (105, 685768), (115, 626136), (120, 600047), (138, 521780), (140, 514326), (161, 447240), (168, 428605), (184, 391335), (210, 342884), (230, 313068), (276, 260890), (280, 257163), (322, 223620), (345, 208712), (420, 171442), (460, 156534), (483, 149080), (552, 130445), (644, 111810), (690, 104356), (805, 89448), (840, 85721), (920, 78267), (966, 74540), (1288, 55905), (1380, 52178), (1610, 44724), (1932, 37270), (2415, 29816), (2760, 26089), (3220, 22362), (3727, 19320), (3864, 18635), (4830, 14908), (6440, 11181), (7454, 9660)]