19600560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3889}}^1$

素因数の和:3915

約数の個数: 120

約数和(自身を含む): 75248160

約数和(自身を除く): 55647600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3889, 5040, 7778, 11667, 15556, 19445, 23334, 27223, 31112, 35001, 38890, 46668, 54446, 58335, 62224, 70002, 77780, 81669, 93336, 108892, 116670, 136115, 140004, 155560, 163338, 175005, 186672, 217784, 233340, 245007, 272230, 280008, 311120, 326676, 350010, 408345, 435568, 466680, 490014, 544460, 560016, 653352, 700020, 816690, 933360, 980028, 1088920, 1225035, 1306704, 1400040, 1633380, 1960056, 2177840, 2450070, 2800080, 3266760, 3920112, 4900140, 6533520, 9800280, 19600560]

約数ペア:

[(1, 19600560), (2, 9800280), (3, 6533520), (4, 4900140), (5, 3920112), (6, 3266760), (7, 2800080), (8, 2450070), (9, 2177840), (10, 1960056), (12, 1633380), (14, 1400040), (15, 1306704), (16, 1225035), (18, 1088920), (20, 980028), (21, 933360), (24, 816690), (28, 700020), (30, 653352), (35, 560016), (36, 544460), (40, 490014), (42, 466680), (45, 435568), (48, 408345), (56, 350010), (60, 326676), (63, 311120), (70, 280008), (72, 272230), (80, 245007), (84, 233340), (90, 217784), (105, 186672), (112, 175005), (120, 163338), (126, 155560), (140, 140004), (144, 136115), (168, 116670), (180, 108892), (210, 93336), (240, 81669), (252, 77780), (280, 70002), (315, 62224), (336, 58335), (360, 54446), (420, 46668), (504, 38890), (560, 35001), (630, 31112), (720, 27223), (840, 23334), (1008, 19445), (1260, 15556), (1680, 11667), (2520, 7778), (3889, 5040)]