1405421160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{81901}}^1$

素因数の和:81939

約数の個数: 128

約数和(自身を含む): 4953432960

約数和(自身を除く): 3548011800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 81901, 163802, 245703, 327604, 409505, 491406, 655208, 819010, 900911, 982812, 1064713, 1228515, 1638020, 1801822, 1965624, 2129426, 2457030, 2702733, 3194139, 3276040, 3603644, 4258852, 4504555, 4914060, 5323565, 5405466, 6388278, 7207288, 8517704, 9009110, 9828120, 10647130, 10810932, 11711843, 12776556, 13513665, 15970695, 18018220, 21294260, 21621864, 23423686, 25553112, 27027330, 31941390, 35135529, 36036440, 42588520, 46847372, 54054660, 58559215, 63882780, 70271058, 93694744, 108109320, 117118430, 127765560, 140542116, 175677645, 234236860, 281084232, 351355290, 468473720, 702710580, 1405421160]

約数ペア:

[(1, 1405421160), (2, 702710580), (3, 468473720), (4, 351355290), (5, 281084232), (6, 234236860), (8, 175677645), (10, 140542116), (11, 127765560), (12, 117118430), (13, 108109320), (15, 93694744), (20, 70271058), (22, 63882780), (24, 58559215), (26, 54054660), (30, 46847372), (33, 42588520), (39, 36036440), (40, 35135529), (44, 31941390), (52, 27027330), (55, 25553112), (60, 23423686), (65, 21621864), (66, 21294260), (78, 18018220), (88, 15970695), (104, 13513665), (110, 12776556), (120, 11711843), (130, 10810932), (132, 10647130), (143, 9828120), (156, 9009110), (165, 8517704), (195, 7207288), (220, 6388278), (260, 5405466), (264, 5323565), (286, 4914060), (312, 4504555), (330, 4258852), (390, 3603644), (429, 3276040), (440, 3194139), (520, 2702733), (572, 2457030), (660, 2129426), (715, 1965624), (780, 1801822), (858, 1638020), (1144, 1228515), (1320, 1064713), (1430, 982812), (1560, 900911), (1716, 819010), (2145, 655208), (2860, 491406), (3432, 409505), (4290, 327604), (5720, 245703), (8580, 163802), (17160, 81901)]