178220240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 479969280

約数和(自身を除く): 301749040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 47, 55, 62, 80, 88, 94, 110, 124, 139, 155, 176, 188, 220, 235, 248, 278, 310, 341, 376, 440, 470, 496, 517, 556, 620, 682, 695, 752, 880, 940, 1034, 1112, 1240, 1364, 1390, 1457, 1529, 1705, 1880, 2068, 2224, 2480, 2585, 2728, 2780, 2914, 3058, 3410, 3760, 4136, 4309, 5170, 5456, 5560, 5828, 6116, 6533, 6820, 7285, 7645, 8272, 8618, 10340, 11120, 11656, 12232, 13066, 13640, 14570, 15290, 16027, 17236, 20680, 21545, 23312, 24464, 26132, 27280, 29140, 30580, 32054, 32665, 34472, 41360, 43090, 47399, 52264, 58280, 61160, 64108, 65330, 68944, 71863, 80135, 86180, 94798, 104528, 116560, 122320, 128216, 130660, 143726, 160270, 172360, 189596, 202523, 236995, 256432, 261320, 287452, 320540, 344720, 359315, 379192, 405046, 473990, 522640, 574904, 641080, 718630, 758384, 810092, 947980, 1012615, 1149808, 1282160, 1437260, 1620184, 1895960, 2025230, 2227753, 2874520, 3240368, 3791920, 4050460, 4455506, 5749040, 8100920, 8911012, 11138765, 16201840, 17822024, 22277530, 35644048, 44555060, 89110120, 178220240]

約数ペア:

[(1, 178220240), (2, 89110120), (4, 44555060), (5, 35644048), (8, 22277530), (10, 17822024), (11, 16201840), (16, 11138765), (20, 8911012), (22, 8100920), (31, 5749040), (40, 4455506), (44, 4050460), (47, 3791920), (55, 3240368), (62, 2874520), (80, 2227753), (88, 2025230), (94, 1895960), (110, 1620184), (124, 1437260), (139, 1282160), (155, 1149808), (176, 1012615), (188, 947980), (220, 810092), (235, 758384), (248, 718630), (278, 641080), (310, 574904), (341, 522640), (376, 473990), (440, 405046), (470, 379192), (496, 359315), (517, 344720), (556, 320540), (620, 287452), (682, 261320), (695, 256432), (752, 236995), (880, 202523), (940, 189596), (1034, 172360), (1112, 160270), (1240, 143726), (1364, 130660), (1390, 128216), (1457, 122320), (1529, 116560), (1705, 104528), (1880, 94798), (2068, 86180), (2224, 80135), (2480, 71863), (2585, 68944), (2728, 65330), (2780, 64108), (2914, 61160), (3058, 58280), (3410, 52264), (3760, 47399), (4136, 43090), (4309, 41360), (5170, 34472), (5456, 32665), (5560, 32054), (5828, 30580), (6116, 29140), (6533, 27280), (6820, 26132), (7285, 24464), (7645, 23312), (8272, 21545), (8618, 20680), (10340, 17236), (11120, 16027), (11656, 15290), (12232, 14570), (13066, 13640)]