30253520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 79280640

約数和(自身を除く): 49027120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1109, 1240, 1364, 1705, 2218, 2480, 2728, 3410, 4436, 5456, 5545, 6820, 8872, 11090, 12199, 13640, 17744, 22180, 24398, 27280, 34379, 44360, 48796, 60995, 68758, 88720, 97592, 121990, 137516, 171895, 195184, 243980, 275032, 343790, 378169, 487960, 550064, 687580, 756338, 975920, 1375160, 1512676, 1890845, 2750320, 3025352, 3781690, 6050704, 7563380, 15126760, 30253520]

約数ペア:

[(1, 30253520), (2, 15126760), (4, 7563380), (5, 6050704), (8, 3781690), (10, 3025352), (11, 2750320), (16, 1890845), (20, 1512676), (22, 1375160), (31, 975920), (40, 756338), (44, 687580), (55, 550064), (62, 487960), (80, 378169), (88, 343790), (110, 275032), (124, 243980), (155, 195184), (176, 171895), (220, 137516), (248, 121990), (310, 97592), (341, 88720), (440, 68758), (496, 60995), (620, 48796), (682, 44360), (880, 34379), (1109, 27280), (1240, 24398), (1364, 22180), (1705, 17744), (2218, 13640), (2480, 12199), (2728, 11090), (3410, 8872), (4436, 6820), (5456, 5545)]