18655489160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{25343}}^1$

素因数の和:25611

約数の個数: 128

約数和(自身を含む): 52553318400

約数和(自身を除く): 33897829240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 239, 280, 308, 385, 440, 478, 616, 770, 956, 1195, 1540, 1673, 1912, 2390, 2629, 3080, 3346, 4780, 5258, 6692, 8365, 9560, 10516, 13145, 13384, 16730, 18403, 21032, 25343, 26290, 33460, 36806, 50686, 52580, 66920, 73612, 92015, 101372, 105160, 126715, 147224, 177401, 184030, 202744, 253430, 278773, 354802, 368060, 506860, 557546, 709604, 736120, 887005, 1013720, 1115092, 1393865, 1419208, 1774010, 1951411, 2230184, 2787730, 3548020, 3902822, 5575460, 6056977, 7096040, 7805644, 9757055, 11150920, 12113954, 15611288, 19514110, 24227908, 30284885, 39028220, 42398839, 48455816, 60569770, 66626747, 78056440, 84797678, 121139540, 133253494, 169595356, 211994195, 242279080, 266506988, 333133735, 339190712, 423988390, 466387229, 533013976, 666267470, 847976780, 932774458, 1332534940, 1695953560, 1865548916, 2331936145, 2665069880, 3731097832, 4663872290, 9327744580, 18655489160]

約数ペア:

[(1, 18655489160), (2, 9327744580), (4, 4663872290), (5, 3731097832), (7, 2665069880), (8, 2331936145), (10, 1865548916), (11, 1695953560), (14, 1332534940), (20, 932774458), (22, 847976780), (28, 666267470), (35, 533013976), (40, 466387229), (44, 423988390), (55, 339190712), (56, 333133735), (70, 266506988), (77, 242279080), (88, 211994195), (110, 169595356), (140, 133253494), (154, 121139540), (220, 84797678), (239, 78056440), (280, 66626747), (308, 60569770), (385, 48455816), (440, 42398839), (478, 39028220), (616, 30284885), (770, 24227908), (956, 19514110), (1195, 15611288), (1540, 12113954), (1673, 11150920), (1912, 9757055), (2390, 7805644), (2629, 7096040), (3080, 6056977), (3346, 5575460), (4780, 3902822), (5258, 3548020), (6692, 2787730), (8365, 2230184), (9560, 1951411), (10516, 1774010), (13145, 1419208), (13384, 1393865), (16730, 1115092), (18403, 1013720), (21032, 887005), (25343, 736120), (26290, 709604), (33460, 557546), (36806, 506860), (50686, 368060), (52580, 354802), (66920, 278773), (73612, 253430), (92015, 202744), (101372, 184030), (105160, 177401), (126715, 147224)]