258322480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 160

約数和(自身を含む): 721828800

約数和(自身を除く): 463506320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 170, 190, 208, 221, 247, 260, 272, 304, 323, 340, 380, 442, 494, 520, 646, 680, 760, 769, 884, 988, 1040, 1105, 1235, 1292, 1360, 1520, 1538, 1615, 1768, 1976, 2210, 2470, 2584, 3076, 3230, 3536, 3845, 3952, 4199, 4420, 4940, 5168, 6152, 6460, 7690, 8398, 8840, 9880, 9997, 12304, 12920, 13073, 14611, 15380, 16796, 17680, 19760, 19994, 20995, 25840, 26146, 29222, 30760, 33592, 39988, 41990, 49985, 52292, 58444, 61520, 65365, 67184, 73055, 79976, 83980, 99970, 104584, 116888, 130730, 146110, 159952, 167960, 169949, 189943, 199940, 209168, 233776, 248387, 261460, 292220, 335920, 339898, 379886, 399880, 496774, 522920, 584440, 679796, 759772, 799760, 849745, 949715, 993548, 1045840, 1168880, 1241935, 1359592, 1519544, 1699490, 1899430, 1987096, 2483870, 2719184, 3039088, 3229031, 3398980, 3798860, 3974192, 4967740, 6458062, 6797960, 7597720, 9935480, 12916124, 13595920, 15195440, 16145155, 19870960, 25832248, 32290310, 51664496, 64580620, 129161240, 258322480]

約数ペア:

[(1, 258322480), (2, 129161240), (4, 64580620), (5, 51664496), (8, 32290310), (10, 25832248), (13, 19870960), (16, 16145155), (17, 15195440), (19, 13595920), (20, 12916124), (26, 9935480), (34, 7597720), (38, 6797960), (40, 6458062), (52, 4967740), (65, 3974192), (68, 3798860), (76, 3398980), (80, 3229031), (85, 3039088), (95, 2719184), (104, 2483870), (130, 1987096), (136, 1899430), (152, 1699490), (170, 1519544), (190, 1359592), (208, 1241935), (221, 1168880), (247, 1045840), (260, 993548), (272, 949715), (304, 849745), (323, 799760), (340, 759772), (380, 679796), (442, 584440), (494, 522920), (520, 496774), (646, 399880), (680, 379886), (760, 339898), (769, 335920), (884, 292220), (988, 261460), (1040, 248387), (1105, 233776), (1235, 209168), (1292, 199940), (1360, 189943), (1520, 169949), (1538, 167960), (1615, 159952), (1768, 146110), (1976, 130730), (2210, 116888), (2470, 104584), (2584, 99970), (3076, 83980), (3230, 79976), (3536, 73055), (3845, 67184), (3952, 65365), (4199, 61520), (4420, 58444), (4940, 52292), (5168, 49985), (6152, 41990), (6460, 39988), (7690, 33592), (8398, 30760), (8840, 29222), (9880, 26146), (9997, 25840), (12304, 20995), (12920, 19994), (13073, 19760), (14611, 17680), (15380, 16796)]