156780742100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1877}}^1\times {\mathrm{13693}}^1$

素因数の和:15645

約数の個数: 72

約数和(自身を含む): 346000984728

約数和(自身を除く): 189220242628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 1877, 3050, 3754, 6100, 7508, 9385, 13693, 18770, 27386, 37540, 46925, 54772, 68465, 93850, 114497, 136930, 187700, 228994, 273860, 342325, 457988, 572485, 684650, 835273, 1144970, 1369300, 1670546, 2289940, 2862425, 3341092, 4176365, 5724850, 8352730, 11449700, 16705460, 20881825, 25701761, 41763650, 51403522, 83527300, 102807044, 128508805, 257017610, 514035220, 642544025, 1285088050, 1567807421, 2570176100, 3135614842, 6271229684, 7839037105, 15678074210, 31356148420, 39195185525, 78390371050, 156780742100]

約数ペア:

[(1, 156780742100), (2, 78390371050), (4, 39195185525), (5, 31356148420), (10, 15678074210), (20, 7839037105), (25, 6271229684), (50, 3135614842), (61, 2570176100), (100, 1567807421), (122, 1285088050), (244, 642544025), (305, 514035220), (610, 257017610), (1220, 128508805), (1525, 102807044), (1877, 83527300), (3050, 51403522), (3754, 41763650), (6100, 25701761), (7508, 20881825), (9385, 16705460), (13693, 11449700), (18770, 8352730), (27386, 5724850), (37540, 4176365), (46925, 3341092), (54772, 2862425), (68465, 2289940), (93850, 1670546), (114497, 1369300), (136930, 1144970), (187700, 835273), (228994, 684650), (273860, 572485), (342325, 457988)]