40271640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 134784000

約数和(自身を除く): 94512360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1039, 1140, 1292, 1615, 1938, 2040, 2078, 2280, 2584, 3117, 3230, 3876, 4156, 4845, 5195, 6234, 6460, 7752, 8312, 9690, 10390, 12468, 12920, 15585, 17663, 19380, 19741, 20780, 24936, 31170, 35326, 38760, 39482, 41560, 52989, 59223, 62340, 70652, 78964, 88315, 98705, 105978, 118446, 124680, 141304, 157928, 176630, 197410, 211956, 236892, 264945, 296115, 335597, 353260, 394820, 423912, 473784, 529890, 592230, 671194, 706520, 789640, 1006791, 1059780, 1184460, 1342388, 1677985, 2013582, 2119560, 2368920, 2684776, 3355970, 4027164, 5033955, 6711940, 8054328, 10067910, 13423880, 20135820, 40271640]

約数ペア:

[(1, 40271640), (2, 20135820), (3, 13423880), (4, 10067910), (5, 8054328), (6, 6711940), (8, 5033955), (10, 4027164), (12, 3355970), (15, 2684776), (17, 2368920), (19, 2119560), (20, 2013582), (24, 1677985), (30, 1342388), (34, 1184460), (38, 1059780), (40, 1006791), (51, 789640), (57, 706520), (60, 671194), (68, 592230), (76, 529890), (85, 473784), (95, 423912), (102, 394820), (114, 353260), (120, 335597), (136, 296115), (152, 264945), (170, 236892), (190, 211956), (204, 197410), (228, 176630), (255, 157928), (285, 141304), (323, 124680), (340, 118446), (380, 105978), (408, 98705), (456, 88315), (510, 78964), (570, 70652), (646, 62340), (680, 59223), (760, 52989), (969, 41560), (1020, 39482), (1039, 38760), (1140, 35326), (1292, 31170), (1615, 24936), (1938, 20780), (2040, 19741), (2078, 19380), (2280, 17663), (2584, 15585), (3117, 12920), (3230, 12468), (3876, 10390), (4156, 9690), (4845, 8312), (5195, 7752), (6234, 6460)]