30781380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:985

約数の個数: 96

約数和(自身を含む): 99800064

約数和(自身を除く): 69018684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 883, 996, 1162, 1245, 1660, 1743, 1766, 2324, 2490, 2649, 2905, 3486, 3532, 4415, 4980, 5298, 5810, 6181, 6972, 8715, 8830, 10596, 11620, 12362, 13245, 17430, 17660, 18543, 24724, 26490, 30905, 34860, 37086, 52980, 61810, 73289, 74172, 92715, 123620, 146578, 185430, 219867, 293156, 366445, 370860, 439734, 513023, 732890, 879468, 1026046, 1099335, 1465780, 1539069, 2052092, 2198670, 2565115, 3078138, 4397340, 5130230, 6156276, 7695345, 10260460, 15390690, 30781380]

約数ペア:

[(1, 30781380), (2, 15390690), (3, 10260460), (4, 7695345), (5, 6156276), (6, 5130230), (7, 4397340), (10, 3078138), (12, 2565115), (14, 2198670), (15, 2052092), (20, 1539069), (21, 1465780), (28, 1099335), (30, 1026046), (35, 879468), (42, 732890), (60, 513023), (70, 439734), (83, 370860), (84, 366445), (105, 293156), (140, 219867), (166, 185430), (210, 146578), (249, 123620), (332, 92715), (415, 74172), (420, 73289), (498, 61810), (581, 52980), (830, 37086), (883, 34860), (996, 30905), (1162, 26490), (1245, 24724), (1660, 18543), (1743, 17660), (1766, 17430), (2324, 13245), (2490, 12362), (2649, 11620), (2905, 10596), (3486, 8830), (3532, 8715), (4415, 6972), (4980, 6181), (5298, 5810)]