23405340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 80438400

約数和(自身を除く): 57033060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 419, 420, 490, 532, 570, 588, 665, 735, 798, 838, 931, 980, 1140, 1257, 1330, 1470, 1596, 1676, 1862, 1995, 2095, 2514, 2660, 2793, 2933, 2940, 3724, 3990, 4190, 4655, 5028, 5586, 5866, 6285, 7961, 7980, 8380, 8799, 9310, 11172, 11732, 12570, 13965, 14665, 15922, 17598, 18620, 20531, 23883, 25140, 27930, 29330, 31844, 35196, 39805, 41062, 43995, 47766, 55727, 55860, 58660, 61593, 79610, 82124, 87990, 95532, 102655, 111454, 119415, 123186, 159220, 167181, 175980, 205310, 222908, 238830, 246372, 278635, 307965, 334362, 390089, 410620, 477660, 557270, 615930, 668724, 780178, 835905, 1114540, 1170267, 1231860, 1560356, 1671810, 1950445, 2340534, 3343620, 3900890, 4681068, 5851335, 7801780, 11702670, 23405340]

約数ペア:

[(1, 23405340), (2, 11702670), (3, 7801780), (4, 5851335), (5, 4681068), (6, 3900890), (7, 3343620), (10, 2340534), (12, 1950445), (14, 1671810), (15, 1560356), (19, 1231860), (20, 1170267), (21, 1114540), (28, 835905), (30, 780178), (35, 668724), (38, 615930), (42, 557270), (49, 477660), (57, 410620), (60, 390089), (70, 334362), (76, 307965), (84, 278635), (95, 246372), (98, 238830), (105, 222908), (114, 205310), (133, 175980), (140, 167181), (147, 159220), (190, 123186), (196, 119415), (210, 111454), (228, 102655), (245, 95532), (266, 87990), (285, 82124), (294, 79610), (380, 61593), (399, 58660), (419, 55860), (420, 55727), (490, 47766), (532, 43995), (570, 41062), (588, 39805), (665, 35196), (735, 31844), (798, 29330), (838, 27930), (931, 25140), (980, 23883), (1140, 20531), (1257, 18620), (1330, 17598), (1470, 15922), (1596, 14665), (1676, 13965), (1862, 12570), (1995, 11732), (2095, 11172), (2514, 9310), (2660, 8799), (2793, 8380), (2933, 7980), (2940, 7961), (3724, 6285), (3990, 5866), (4190, 5586), (4655, 5028)]