30902970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 90243072

約数和(自身を除く): 59340102

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 47, 62, 70, 93, 94, 101, 105, 141, 155, 186, 202, 210, 217, 235, 282, 303, 310, 329, 434, 465, 470, 505, 606, 651, 658, 705, 707, 930, 987, 1010, 1085, 1302, 1410, 1414, 1457, 1515, 1645, 1974, 2121, 2170, 2914, 3030, 3131, 3255, 3290, 3535, 4242, 4371, 4747, 4935, 6262, 6510, 7070, 7285, 8742, 9393, 9494, 9870, 10199, 10605, 14241, 14570, 15655, 18786, 20398, 21210, 21855, 21917, 23735, 28482, 30597, 31310, 33229, 43710, 43834, 46965, 47470, 50995, 61194, 65751, 66458, 71205, 93930, 99687, 101990, 109585, 131502, 142410, 147157, 152985, 166145, 199374, 219170, 294314, 305970, 328755, 332290, 441471, 498435, 657510, 735785, 882942, 996870, 1030099, 1471570, 2060198, 2207355, 3090297, 4414710, 5150495, 6180594, 10300990, 15451485, 30902970]

約数ペア:

[(1, 30902970), (2, 15451485), (3, 10300990), (5, 6180594), (6, 5150495), (7, 4414710), (10, 3090297), (14, 2207355), (15, 2060198), (21, 1471570), (30, 1030099), (31, 996870), (35, 882942), (42, 735785), (47, 657510), (62, 498435), (70, 441471), (93, 332290), (94, 328755), (101, 305970), (105, 294314), (141, 219170), (155, 199374), (186, 166145), (202, 152985), (210, 147157), (217, 142410), (235, 131502), (282, 109585), (303, 101990), (310, 99687), (329, 93930), (434, 71205), (465, 66458), (470, 65751), (505, 61194), (606, 50995), (651, 47470), (658, 46965), (705, 43834), (707, 43710), (930, 33229), (987, 31310), (1010, 30597), (1085, 28482), (1302, 23735), (1410, 21917), (1414, 21855), (1457, 21210), (1515, 20398), (1645, 18786), (1974, 15655), (2121, 14570), (2170, 14241), (2914, 10605), (3030, 10199), (3131, 9870), (3255, 9494), (3290, 9393), (3535, 8742), (4242, 7285), (4371, 7070), (4747, 6510), (4935, 6262)]