77899440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 160

約数和(自身を含む): 260715456

約数和(自身を除く): 182816016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 80, 85, 102, 120, 122, 136, 170, 183, 204, 240, 244, 255, 272, 305, 313, 340, 366, 408, 488, 510, 610, 626, 680, 732, 816, 915, 939, 976, 1020, 1037, 1220, 1252, 1360, 1464, 1565, 1830, 1878, 2040, 2074, 2440, 2504, 2928, 3111, 3130, 3660, 3756, 4080, 4148, 4695, 4880, 5008, 5185, 5321, 6222, 6260, 7320, 7512, 8296, 9390, 10370, 10642, 12444, 12520, 14640, 15024, 15555, 15963, 16592, 18780, 19093, 20740, 21284, 24888, 25040, 26605, 31110, 31926, 37560, 38186, 41480, 42568, 49776, 53210, 57279, 62220, 63852, 75120, 76372, 79815, 82960, 85136, 95465, 106420, 114558, 124440, 127704, 152744, 159630, 190930, 212840, 229116, 248880, 255408, 286395, 305488, 319260, 324581, 381860, 425680, 458232, 572790, 638520, 649162, 763720, 916464, 973743, 1145580, 1277040, 1298324, 1527440, 1622905, 1947486, 2291160, 2596648, 3245810, 3894972, 4582320, 4868715, 5193296, 6491620, 7789944, 9737430, 12983240, 15579888, 19474860, 25966480, 38949720, 77899440]

約数ペア:

[(1, 77899440), (2, 38949720), (3, 25966480), (4, 19474860), (5, 15579888), (6, 12983240), (8, 9737430), (10, 7789944), (12, 6491620), (15, 5193296), (16, 4868715), (17, 4582320), (20, 3894972), (24, 3245810), (30, 2596648), (34, 2291160), (40, 1947486), (48, 1622905), (51, 1527440), (60, 1298324), (61, 1277040), (68, 1145580), (80, 973743), (85, 916464), (102, 763720), (120, 649162), (122, 638520), (136, 572790), (170, 458232), (183, 425680), (204, 381860), (240, 324581), (244, 319260), (255, 305488), (272, 286395), (305, 255408), (313, 248880), (340, 229116), (366, 212840), (408, 190930), (488, 159630), (510, 152744), (610, 127704), (626, 124440), (680, 114558), (732, 106420), (816, 95465), (915, 85136), (939, 82960), (976, 79815), (1020, 76372), (1037, 75120), (1220, 63852), (1252, 62220), (1360, 57279), (1464, 53210), (1565, 49776), (1830, 42568), (1878, 41480), (2040, 38186), (2074, 37560), (2440, 31926), (2504, 31110), (2928, 26605), (3111, 25040), (3130, 24888), (3660, 21284), (3756, 20740), (4080, 19093), (4148, 18780), (4695, 16592), (4880, 15963), (5008, 15555), (5185, 15024), (5321, 14640), (6222, 12520), (6260, 12444), (7320, 10642), (7512, 10370), (8296, 9390)]