278798640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2971}}^1$

素因数の和:3027

約数の個数: 160

約数和(自身を含む): 955224576

約数和(自身を除く): 676425936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 240, 255, 272, 276, 340, 345, 368, 391, 408, 460, 510, 552, 680, 690, 782, 816, 920, 1020, 1104, 1173, 1360, 1380, 1564, 1840, 1955, 2040, 2346, 2760, 2971, 3128, 3910, 4080, 4692, 5520, 5865, 5942, 6256, 7820, 8913, 9384, 11730, 11884, 14855, 15640, 17826, 18768, 23460, 23768, 29710, 31280, 35652, 44565, 46920, 47536, 50507, 59420, 68333, 71304, 89130, 93840, 101014, 118840, 136666, 142608, 151521, 178260, 202028, 204999, 237680, 252535, 273332, 303042, 341665, 356520, 404056, 409998, 505070, 546664, 606084, 683330, 713040, 757605, 808112, 819996, 1010140, 1024995, 1093328, 1161661, 1212168, 1366660, 1515210, 1639992, 2020280, 2049990, 2323322, 2424336, 2733320, 3030420, 3279984, 3484983, 4040560, 4099980, 4646644, 5466640, 5808305, 6060840, 6969966, 8199960, 9293288, 11616610, 12121680, 13939932, 16399920, 17424915, 18586576, 23233220, 27879864, 34849830, 46466440, 55759728, 69699660, 92932880, 139399320, 278798640]

約数ペア:

[(1, 278798640), (2, 139399320), (3, 92932880), (4, 69699660), (5, 55759728), (6, 46466440), (8, 34849830), (10, 27879864), (12, 23233220), (15, 18586576), (16, 17424915), (17, 16399920), (20, 13939932), (23, 12121680), (24, 11616610), (30, 9293288), (34, 8199960), (40, 6969966), (46, 6060840), (48, 5808305), (51, 5466640), (60, 4646644), (68, 4099980), (69, 4040560), (80, 3484983), (85, 3279984), (92, 3030420), (102, 2733320), (115, 2424336), (120, 2323322), (136, 2049990), (138, 2020280), (170, 1639992), (184, 1515210), (204, 1366660), (230, 1212168), (240, 1161661), (255, 1093328), (272, 1024995), (276, 1010140), (340, 819996), (345, 808112), (368, 757605), (391, 713040), (408, 683330), (460, 606084), (510, 546664), (552, 505070), (680, 409998), (690, 404056), (782, 356520), (816, 341665), (920, 303042), (1020, 273332), (1104, 252535), (1173, 237680), (1360, 204999), (1380, 202028), (1564, 178260), (1840, 151521), (1955, 142608), (2040, 136666), (2346, 118840), (2760, 101014), (2971, 93840), (3128, 89130), (3910, 71304), (4080, 68333), (4692, 59420), (5520, 50507), (5865, 47536), (5942, 46920), (6256, 44565), (7820, 35652), (8913, 31280), (9384, 29710), (11730, 23768), (11884, 23460), (14855, 18768), (15640, 17826)]