16904420460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1\times {\mathrm{4457}}^1$

素因数の和:5600

約数の個数: 144

約数和(自身を含む): 54036309600

約数和(自身を除く): 37131889140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1109, 1140, 1710, 2218, 3327, 3420, 4436, 4457, 5545, 6654, 8914, 9981, 11090, 13308, 13371, 16635, 17828, 19962, 21071, 22180, 22285, 26742, 33270, 39924, 40113, 42142, 44570, 49905, 53484, 63213, 66540, 66855, 80226, 84284, 84683, 89140, 99810, 105355, 126426, 133710, 160452, 169366, 189639, 199620, 200565, 210710, 252852, 254049, 267420, 316065, 338732, 379278, 401130, 421420, 423415, 508098, 632130, 758556, 762147, 802260, 846830, 948195, 1016196, 1264260, 1270245, 1524294, 1693660, 1896390, 2540490, 3048588, 3792780, 3810735, 4942813, 5080980, 7621470, 9885626, 14828439, 15242940, 19771252, 24714065, 29656878, 44485317, 49428130, 59313756, 74142195, 88970634, 93913447, 98856260, 148284390, 177941268, 187826894, 222426585, 281740341, 296568780, 375653788, 444853170, 469567235, 563480682, 845221023, 889706340, 939134470, 1126961364, 1408701705, 1690442046, 1878268940, 2817403410, 3380884092, 4226105115, 5634806820, 8452210230, 16904420460]

約数ペア:

[(1, 16904420460), (2, 8452210230), (3, 5634806820), (4, 4226105115), (5, 3380884092), (6, 2817403410), (9, 1878268940), (10, 1690442046), (12, 1408701705), (15, 1126961364), (18, 939134470), (19, 889706340), (20, 845221023), (30, 563480682), (36, 469567235), (38, 444853170), (45, 375653788), (57, 296568780), (60, 281740341), (76, 222426585), (90, 187826894), (95, 177941268), (114, 148284390), (171, 98856260), (180, 93913447), (190, 88970634), (228, 74142195), (285, 59313756), (342, 49428130), (380, 44485317), (570, 29656878), (684, 24714065), (855, 19771252), (1109, 15242940), (1140, 14828439), (1710, 9885626), (2218, 7621470), (3327, 5080980), (3420, 4942813), (4436, 3810735), (4457, 3792780), (5545, 3048588), (6654, 2540490), (8914, 1896390), (9981, 1693660), (11090, 1524294), (13308, 1270245), (13371, 1264260), (16635, 1016196), (17828, 948195), (19962, 846830), (21071, 802260), (22180, 762147), (22285, 758556), (26742, 632130), (33270, 508098), (39924, 423415), (40113, 421420), (42142, 401130), (44570, 379278), (49905, 338732), (53484, 316065), (63213, 267420), (66540, 254049), (66855, 252852), (80226, 210710), (84284, 200565), (84683, 199620), (89140, 189639), (99810, 169366), (105355, 160452), (126426, 133710)]