30064840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 81648000

約数和(自身を除く): 51583160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 179, 190, 221, 247, 260, 323, 340, 358, 380, 442, 494, 520, 646, 680, 716, 760, 884, 895, 988, 1105, 1235, 1292, 1432, 1615, 1768, 1790, 1976, 2210, 2327, 2470, 2584, 3043, 3230, 3401, 3580, 4199, 4420, 4654, 4940, 6086, 6460, 6802, 7160, 8398, 8840, 9308, 9880, 11635, 12172, 12920, 13604, 15215, 16796, 17005, 18616, 20995, 23270, 24344, 27208, 30430, 33592, 34010, 39559, 41990, 44213, 46540, 57817, 60860, 68020, 79118, 83980, 88426, 93080, 115634, 121720, 136040, 158236, 167960, 176852, 197795, 221065, 231268, 289085, 316472, 353704, 395590, 442130, 462536, 578170, 751621, 791180, 884260, 1156340, 1503242, 1582360, 1768520, 2312680, 3006484, 3758105, 6012968, 7516210, 15032420, 30064840]

約数ペア:

[(1, 30064840), (2, 15032420), (4, 7516210), (5, 6012968), (8, 3758105), (10, 3006484), (13, 2312680), (17, 1768520), (19, 1582360), (20, 1503242), (26, 1156340), (34, 884260), (38, 791180), (40, 751621), (52, 578170), (65, 462536), (68, 442130), (76, 395590), (85, 353704), (95, 316472), (104, 289085), (130, 231268), (136, 221065), (152, 197795), (170, 176852), (179, 167960), (190, 158236), (221, 136040), (247, 121720), (260, 115634), (323, 93080), (340, 88426), (358, 83980), (380, 79118), (442, 68020), (494, 60860), (520, 57817), (646, 46540), (680, 44213), (716, 41990), (760, 39559), (884, 34010), (895, 33592), (988, 30430), (1105, 27208), (1235, 24344), (1292, 23270), (1432, 20995), (1615, 18616), (1768, 17005), (1790, 16796), (1976, 15215), (2210, 13604), (2327, 12920), (2470, 12172), (2584, 11635), (3043, 9880), (3230, 9308), (3401, 8840), (3580, 8398), (4199, 7160), (4420, 6802), (4654, 6460), (4940, 6086)]