78918210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 248204736

約数和(自身を除く): 169286526

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 347, 361, 399, 570, 630, 665, 694, 722, 798, 855, 1041, 1083, 1197, 1330, 1710, 1735, 1805, 1995, 2082, 2166, 2394, 2429, 2527, 3123, 3249, 3470, 3610, 3990, 4858, 5054, 5205, 5415, 5985, 6246, 6498, 6593, 7287, 7581, 10410, 10830, 11970, 12145, 12635, 13186, 14574, 15162, 15615, 16245, 19779, 21861, 22743, 24290, 25270, 31230, 32490, 32965, 36435, 37905, 39558, 43722, 45486, 46151, 59337, 65930, 72870, 75810, 92302, 98895, 109305, 113715, 118674, 125267, 138453, 197790, 218610, 227430, 230755, 250534, 276906, 296685, 375801, 415359, 461510, 593370, 626335, 692265, 751602, 830718, 876869, 1127403, 1252670, 1384530, 1753738, 1879005, 2076795, 2254806, 2630607, 3758010, 4153590, 4384345, 5261214, 5637015, 7891821, 8768690, 11274030, 13153035, 15783642, 26306070, 39459105, 78918210]

約数ペア:

[(1, 78918210), (2, 39459105), (3, 26306070), (5, 15783642), (6, 13153035), (7, 11274030), (9, 8768690), (10, 7891821), (14, 5637015), (15, 5261214), (18, 4384345), (19, 4153590), (21, 3758010), (30, 2630607), (35, 2254806), (38, 2076795), (42, 1879005), (45, 1753738), (57, 1384530), (63, 1252670), (70, 1127403), (90, 876869), (95, 830718), (105, 751602), (114, 692265), (126, 626335), (133, 593370), (171, 461510), (190, 415359), (210, 375801), (266, 296685), (285, 276906), (315, 250534), (342, 230755), (347, 227430), (361, 218610), (399, 197790), (570, 138453), (630, 125267), (665, 118674), (694, 113715), (722, 109305), (798, 98895), (855, 92302), (1041, 75810), (1083, 72870), (1197, 65930), (1330, 59337), (1710, 46151), (1735, 45486), (1805, 43722), (1995, 39558), (2082, 37905), (2166, 36435), (2394, 32965), (2429, 32490), (2527, 31230), (3123, 25270), (3249, 24290), (3470, 22743), (3610, 21861), (3990, 19779), (4858, 16245), (5054, 15615), (5205, 15162), (5415, 14574), (5985, 13186), (6246, 12635), (6498, 12145), (6593, 11970), (7287, 10830), (7581, 10410)]