304885240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:733

約数の個数: 128

約数和(自身を含む): 798750720

約数和(自身を除く): 493865480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 47, 55, 88, 92, 94, 110, 115, 184, 188, 220, 230, 235, 253, 376, 440, 460, 470, 506, 517, 641, 920, 940, 1012, 1034, 1081, 1265, 1282, 1880, 2024, 2068, 2162, 2530, 2564, 2585, 3205, 4136, 4324, 5060, 5128, 5170, 5405, 6410, 7051, 8648, 10120, 10340, 10810, 11891, 12820, 14102, 14743, 20680, 21620, 23782, 25640, 28204, 29486, 30127, 35255, 43240, 47564, 56408, 58972, 59455, 60254, 70510, 73715, 95128, 117944, 118910, 120508, 141020, 147430, 150635, 162173, 237820, 241016, 282040, 294860, 301270, 324346, 331397, 475640, 589720, 602540, 648692, 662794, 692921, 810865, 1205080, 1297384, 1325588, 1385842, 1621730, 1656985, 2651176, 2771684, 3243460, 3313970, 3464605, 5543368, 6486920, 6627940, 6929210, 7622131, 13255880, 13858420, 15244262, 27716840, 30488524, 38110655, 60977048, 76221310, 152442620, 304885240]

約数ペア:

[(1, 304885240), (2, 152442620), (4, 76221310), (5, 60977048), (8, 38110655), (10, 30488524), (11, 27716840), (20, 15244262), (22, 13858420), (23, 13255880), (40, 7622131), (44, 6929210), (46, 6627940), (47, 6486920), (55, 5543368), (88, 3464605), (92, 3313970), (94, 3243460), (110, 2771684), (115, 2651176), (184, 1656985), (188, 1621730), (220, 1385842), (230, 1325588), (235, 1297384), (253, 1205080), (376, 810865), (440, 692921), (460, 662794), (470, 648692), (506, 602540), (517, 589720), (641, 475640), (920, 331397), (940, 324346), (1012, 301270), (1034, 294860), (1081, 282040), (1265, 241016), (1282, 237820), (1880, 162173), (2024, 150635), (2068, 147430), (2162, 141020), (2530, 120508), (2564, 118910), (2585, 117944), (3205, 95128), (4136, 73715), (4324, 70510), (5060, 60254), (5128, 59455), (5170, 58972), (5405, 56408), (6410, 47564), (7051, 43240), (8648, 35255), (10120, 30127), (10340, 29486), (10810, 28204), (11891, 25640), (12820, 23782), (14102, 21620), (14743, 20680)]